Solve for x
x = -\frac{15}{2} = -7\frac{1}{2} = -7.5
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-15-4x+8x=-45
Add 8x to both sides.
-15+4x=-45
Combine -4x and 8x to get 4x.
4x=-45+15
Add 15 to both sides.
4x=-30
Add -45 and 15 to get -30.
x=\frac{-30}{4}
Divide both sides by 4.
x=-\frac{15}{2}
Reduce the fraction \frac{-30}{4} to lowest terms by extracting and canceling out 2.
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