Solve for x
x=\frac{3}{4}=0.75
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12x=9
Combine 5x and 7x to get 12x.
x=\frac{9}{12}
Divide both sides by 12.
x=\frac{3}{4}
Reduce the fraction \frac{9}{12} to lowest terms by extracting and canceling out 3.
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