February 20, 2017

Homework Help: Math Check

Posted by Heather on Wednesday, August 25, 2010 at 8:27pm.

Solve the inequality. So i have done this problem at least three times and I keep getting the same answer. But in the back of the book the correct answer for this problem is x<or equal to 5

This is what I did & my answer dosen't match the one in the back of the book:

-9(x-3)-8(4-x)> or equal to -2x
-9x+27-32+8 > or equal to -2x
-9x+3 > or equal to -2x
added 9x to both sides
3> or equal to 7x
divided both sides by 7
My answer: x< or equal to 7/3

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