Solve for x
x = \frac{315}{8} = 39\frac{3}{8} = 39.375
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9x+7x=630
Multiply both sides of the equation by 63, the least common multiple of 7,9.
16x=630
Combine 9x and 7x to get 16x.
x=\frac{630}{16}
Divide both sides by 16.
x=\frac{315}{8}
Reduce the fraction \frac{630}{16} to lowest terms by extracting and canceling out 2.
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