Homework Help: math, really need some feedback asap.

Posted by SAP on Thursday, September 30, 2010 at 11:03pm.

5/8 x+1/16 x=11/16+x
16*(5/8 x+1/16 x) = 16(11/16+x)
10x + x = 11 + 16x, so the next step is:

11x = 11 + 16x (get x-terms on the left.)

-x = 11 (divide by -1.)
x = 11

Is this correct?

math, really need some feedback asap. - TutorCat, Friday, October 1, 2010 at 12:08am
plug the value you found for x to determine whether or not this value is correct.

Like so:
5/8(11)+1/16(11)=11/16+ 11

11x = 11 + 16x

here's the next step:
11x-16x = 11

collect like terms and solve for x
math, really need some feedback asap. - SAP, Friday, October 1, 2010 at 12:27am
here's the next step:
11x-16x = 11 (collect like terms and solve for x.)

-5x = 11

-x = 11

x = 11

Thank you TutorCat, the answer does match.
math, really need some feedback asap. - PsyDAG, Friday, October 1, 2010 at 2:39pm
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

Again, dividing both sides by -5 does not give you

-x = 11
math, really need some feedback asap. - SAP, Friday, October 1, 2010 at 6:34pm
You are correct, 11/5 = 2.2. Do I need to round off for a single integer?
math, really need some feedback asap. - SAP, Friday, October 1, 2010 at 7:32pm
You are correct, 11/5 = 2.2. Do I need to round off for a single integer?

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