Solve for a
a = \frac{9}{2} = 4\frac{1}{2} = 4.5
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4a=23-5
Subtract 5 from both sides.
4a=18
Subtract 5 from 23 to get 18.
a=\frac{18}{4}
Divide both sides by 4.
a=\frac{9}{2}
Reduce the fraction \frac{18}{4} to lowest terms by extracting and canceling out 2.
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