Solve for b
b = \frac{9}{2} = 4\frac{1}{2} = 4.5
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4b=25-7
Subtract 7 from both sides.
4b=18
Subtract 7 from 25 to get 18.
b=\frac{18}{4}
Divide both sides by 4.
b=\frac{9}{2}
Reduce the fraction \frac{18}{4} to lowest terms by extracting and canceling out 2.
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