Solve for x
x = \frac{9}{2} = 4\frac{1}{2} = 4.5
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20x=70+20
Add 20 to both sides.
20x=90
Add 70 and 20 to get 90.
x=\frac{90}{20}
Divide both sides by 20.
x=\frac{9}{2}
Reduce the fraction \frac{90}{20} to lowest terms by extracting and canceling out 10.
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