Solve for x
x=\frac{2}{5}=0.4
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8x-4+7x=2
Add 7x to both sides.
15x-4=2
Combine 8x and 7x to get 15x.
15x=2+4
Add 4 to both sides.
15x=6
Add 2 and 4 to get 6.
x=\frac{6}{15}
Divide both sides by 15.
x=\frac{2}{5}
Reduce the fraction \frac{6}{15} to lowest terms by extracting and canceling out 3.
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