Solve for x
x = \frac{25}{2} = 12\frac{1}{2} = 12.5
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75=6x
Subtract 15 from 90 to get 75.
6x=75
Swap sides so that all variable terms are on the left hand side.
x=\frac{75}{6}
Divide both sides by 6.
x=\frac{25}{2}
Reduce the fraction \frac{75}{6} to lowest terms by extracting and canceling out 3.
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