I actually always sucked at maths. I was surprised I could do this. But then again, my brother's a math teacher and my father an evil and mad mathematician who's been building several doomsday devices.
I want to think you're joking for the later, but somehow I don't think you are....
No, you can't get a numerical answer, because these aren't equations. They are simply expressions, and all you can do is simplify them. All you can simplify it to is
x(1+3x)/2 as someone mentioned, but since you don't know a value for 'x' you can't take it any further.
All correct, and the answers that have been given are all correct. I just wanted to add a slightly different method to get at the answers that will help you later. You can factor each expression in the fraction and then cancel. For example
12x^2 / 6x^3 factored becomes 6x^2(2) / 6x^2(x). The 6x^2 cancels and you are left with 2/x.
14a^2b^3 / 2ab^2 factored becomes 2ab^2(7ab) /2ab^2. The 2ab^2 cancel and you are left with 7ab.
To pie I will reply
But mr. justam
is who I am
"That's a repulsive combination of horrible information and bad breath."-Pickles
"Remember, death is a natural part of the workplace. So, when you see a dead body at work, don't freak out, just ring your death bell." "ting"-Toki Wartooth
No, you can't get a numerical answer, because these aren't equations. They are simply expressions, and all you can do is simplify them. All you can simplify it to is
x(1+3x)/2 as someone mentioned, but since you don't know a value for 'x' you can't take it any further.
That is exactly what I was going to say.
Bright eyed kid: "Wow Typo Man, you're the best!"
Typo Man: "Thanks kidz, but remembir, stay in skool!"
What do you mean by 'distribute the -3 over (x-1)?
Thanks for the help.
He means take the expression 5-3(x+1) and do the multiplication of -3 over the expressions x and 1, which gives you -3x-3. The whole expression is 5-3x-3. Now combine like terms to give you the expression 2-3x. Now the equation is
x+5/3 = 2-3x/2
You can solve for x.
To pie I will reply
But mr. justam
is who I am
"That's a repulsive combination of horrible information and bad breath."-Pickles
"Remember, death is a natural part of the workplace. So, when you see a dead body at work, don't freak out, just ring your death bell." "ting"-Toki Wartooth
He means take the expression 5-3(x+1) and do the multiplication of -3 over the expressions x and 1, which gives you -3x-3. The whole expression is 5-3x-3. Now combine like terms to give you the expression 2-3x. Now the equation is
He means take the expression 5-3(x+1) and do the multiplication of -3 over the expressions x and 1, which gives you -3x-3. The whole expression is 5-3x-3. Now combine like terms to give you the expression 2-3x. Now the equation is
x+5/3 = 2-3x/2
You can solve for x.
Sorry I wasn't available to explain before, but yes, follow what stuckinline and westsidepie said and you should be able to finish....
He means take the expression 5-3(x+1) and do the multiplication of -3 over the expressions x and 1, which gives you -3x-3. The whole expression is 5-3x-3. Now combine like terms to give you the expression 2-3x. Now the equation is
I even checked it on excel ... if you know how to use "solver" it will do all your algebra for you!
But indeed, if you need to actually do it out, we can help!
-4/11 is the correct answer. The long way of solving for x in this equation is cross multiply, then keep moving terms back and forth across the equal sign. In the final step you multiply each side by 1/11, which is the same as dividing each side by 11, and leaves you with x= -4/11. If you need me to, I can write out each step.
To pie I will reply
But mr. justam
is who I am
"That's a repulsive combination of horrible information and bad breath."-Pickles
"Remember, death is a natural part of the workplace. So, when you see a dead body at work, don't freak out, just ring your death bell." "ting"-Toki Wartooth
Yes I was going to question this too, because with hierarchy of operations, and the expression originally listed as 5-3(x+1)/2, it can be interpreted with the 5 being a separate term and not part of the numerator over 2. So Murderers be careful with your parentheses. You do know the hierarchy of operations right? (go left to right, taking into account parentheses, with multiplication and division taking precedence over addition and subtraction).
R.i.p. Rigoberto Alpizar.
R.i.p. My Dad - May 28, 2007
R.i.p. Black Tail (cat) - Sept. 20, 2008
You do know the hierarchy of operations right? (go left to right, taking into account parentheses, with multiplication and division taking precedence over addition and subtraction).
I don't know BODMAS, but I think JaneNY is talking about
P-parentheses first
E-exponents (and roots) second
M-multiplication third
D-division third (multiplication and division should be done together, working from left to right)
A-addition fourth
S-subtraction fourth (addition and subtraction should be done together, working from left to right)
JaneNY is also right about the expression. I interpreted the 5 as part of the expression. If the 5 was a separate expression, then you would have had to find the LCD to solve for x.
To pie I will reply
But mr. justam
is who I am
"That's a repulsive combination of horrible information and bad breath."-Pickles
"Remember, death is a natural part of the workplace. So, when you see a dead body at work, don't freak out, just ring your death bell." "ting"-Toki Wartooth
I don't know BODMAS, but I think JaneNY is talking about
P-parentheses first
E-exponents (and roots) second
M-multiplication third
D-division third (multiplication and division should be done together, working from left to right)
A-addition fourth
S-subtraction fourth (addition and subtraction should be done together, working from left to right)
JaneNY is also right about the expression. I interpreted the 5 as part of the expression. If the 5 was a separate expression, then you would have had to find the LCD to solve for x.
Please Excuse My Dear Aunt Sally ... that's how we were taught.
"You're one of the few Red Sox fans I don't mind." - Newch91
"I don't believe in damn curses. Wake up the damn Bambino and have me face him. Maybe I'll drill him in the ass." --- Pedro Martinez
Comments
He's not an mathematician. He's a mechanical engineer.
naděje umírá poslední
I concur (but wow that's been a while)
All correct, and the answers that have been given are all correct. I just wanted to add a slightly different method to get at the answers that will help you later. You can factor each expression in the fraction and then cancel. For example
12x^2 / 6x^3 factored becomes 6x^2(2) / 6x^2(x). The 6x^2 cancels and you are left with 2/x.
14a^2b^3 / 2ab^2 factored becomes 2ab^2(7ab) /2ab^2. The 2ab^2 cancel and you are left with 7ab.
But mr. justam
is who I am
"That's a repulsive combination of horrible information and bad breath."-Pickles
"Remember, death is a natural part of the workplace. So, when you see a dead body at work, don't freak out, just ring your death bell." "ting"-Toki Wartooth
It's simple. I just don't know how to expand out the bracket on the right hand side of the equals.
oops nevermind just saw that you already got help.
That is exactly what I was going to say.
Typo Man: "Thanks kidz, but remembir, stay in skool!"
yeah that's why I was going to ask what it was he was actually supposed to do with these expressions.
if I've done it correctly, x = -4/11
Thanks for the help.
He means take the expression 5-3(x+1) and do the multiplication of -3 over the expressions x and 1, which gives you -3x-3. The whole expression is 5-3x-3. Now combine like terms to give you the expression 2-3x. Now the equation is
x+5/3 = 2-3x/2
You can solve for x.
But mr. justam
is who I am
"That's a repulsive combination of horrible information and bad breath."-Pickles
"Remember, death is a natural part of the workplace. So, when you see a dead body at work, don't freak out, just ring your death bell." "ting"-Toki Wartooth
X = 4/11 in the end.
becomes 5- (3x+3)/2
then 5-3x/2 -3/2 ???
is it -3(x+1)/2?
then that is -3x/2-3/2
actually ... it's -4/11
I even checked it on excel ... if you know how to use "solver" it will do all your algebra for you!
But indeed, if you need to actually do it out, we can help!
"I don't believe in damn curses. Wake up the damn Bambino and have me face him. Maybe I'll drill him in the ass." --- Pedro Martinez
It is sad i forget a lot of it.
Charlotte 03
Asheville 04
Atlanta 12
Greenville 16, Columbia 16
Seattle 18
Nashville 22
(5 - 3(x+1))/2
which does simplify down to (2 - 3x)/2
-4/11 is the correct answer. The long way of solving for x in this equation is cross multiply, then keep moving terms back and forth across the equal sign. In the final step you multiply each side by 1/11, which is the same as dividing each side by 11, and leaves you with x= -4/11. If you need me to, I can write out each step.
But mr. justam
is who I am
"That's a repulsive combination of horrible information and bad breath."-Pickles
"Remember, death is a natural part of the workplace. So, when you see a dead body at work, don't freak out, just ring your death bell." "ting"-Toki Wartooth
But anyway, all this math is making my head hurt!
Onto spanish.....
Yes I was going to question this too, because with hierarchy of operations, and the expression originally listed as 5-3(x+1)/2, it can be interpreted with the 5 being a separate term and not part of the numerator over 2. So Murderers be careful with your parentheses. You do know the hierarchy of operations right? (go left to right, taking into account parentheses, with multiplication and division taking precedence over addition and subtraction).
R.i.p. My Dad - May 28, 2007
R.i.p. Black Tail (cat) - Sept. 20, 2008
I don't know BODMAS, but I think JaneNY is talking about
P-parentheses first
E-exponents (and roots) second
M-multiplication third
D-division third (multiplication and division should be done together, working from left to right)
A-addition fourth
S-subtraction fourth (addition and subtraction should be done together, working from left to right)
JaneNY is also right about the expression. I interpreted the 5 as part of the expression. If the 5 was a separate expression, then you would have had to find the LCD to solve for x.
But mr. justam
is who I am
"That's a repulsive combination of horrible information and bad breath."-Pickles
"Remember, death is a natural part of the workplace. So, when you see a dead body at work, don't freak out, just ring your death bell." "ting"-Toki Wartooth
Please Excuse My Dear Aunt Sally ... that's how we were taught.
"I don't believe in damn curses. Wake up the damn Bambino and have me face him. Maybe I'll drill him in the ass." --- Pedro Martinez