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Can u please help me with this problem.....

0 votes

x:4x < x-9

a. x > 4
b. x < -3
c. x < -9
d. x > 3

asked Mar 13, 2014 in PRE-ALGEBRA by homeworkhelp Mentor

1 Answer

+1 vote

The inequality is 4x < x - 9.

Subtract x from each side.

4x - x < x - 9 - x

3x < - 9

Divid eeach side by 3.

3x/3 < - 9/3

Cancel common terms.

x < - 3.

Solution set is  {x / x : x < - 3}.

answered Mar 19, 2014 by dozey Mentor

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