120 \% x - x = 0.8
Solve for x
x=4
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\frac{6}{5}x-x=0.8
Reduce the fraction \frac{120}{100} to lowest terms by extracting and canceling out 20.
\frac{1}{5}x=0.8
Combine \frac{6}{5}x and -x to get \frac{1}{5}x.
x=0.8\times 5
Multiply both sides by 5, the reciprocal of \frac{1}{5}.
x=4
Multiply 0.8 and 5 to get 4.
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