Solve for y
y=\frac{1}{2}=0.5
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\frac{9}{18}=y
Divide both sides by 18.
\frac{1}{2}=y
Reduce the fraction \frac{9}{18} to lowest terms by extracting and canceling out 9.
y=\frac{1}{2}
Swap sides so that all variable terms are on the left hand side.
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