Solve for x
x = \frac{96}{7} = 13\frac{5}{7} \approx 13.714285714
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3.5x=48
Subtract 42 from 90 to get 48.
x=\frac{48}{3.5}
Divide both sides by 3.5.
x=\frac{480}{35}
Expand \frac{48}{3.5} by multiplying both numerator and the denominator by 10.
x=\frac{96}{7}
Reduce the fraction \frac{480}{35} to lowest terms by extracting and canceling out 5.
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