Solve for x
x=0.7
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0.5x=0.15+0.2
Add 0.2 to both sides.
0.5x=0.35
Add 0.15 and 0.2 to get 0.35.
x=\frac{0.35}{0.5}
Divide both sides by 0.5.
x=\frac{35}{50}
Expand \frac{0.35}{0.5} by multiplying both numerator and the denominator by 100.
x=\frac{7}{10}
Reduce the fraction \frac{35}{50} to lowest terms by extracting and canceling out 5.
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