Solve for x
x = \frac{5}{2} = 2\frac{1}{2} = 2.5
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12x=30
Combine 5x and 7x to get 12x.
x=\frac{30}{12}
Divide both sides by 12.
x=\frac{5}{2}
Reduce the fraction \frac{30}{12} to lowest terms by extracting and canceling out 6.
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