Solve for a
a = \frac{9}{4} = 2\frac{1}{4} = 2.25
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\frac{-18}{-8}=a
Divide both sides by -8.
\frac{9}{4}=a
Reduce the fraction \frac{-18}{-8} to lowest terms by extracting and canceling out -2.
a=\frac{9}{4}
Swap sides so that all variable terms are on the left hand side.
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