Solve for y
y=-\frac{1}{2}=-0.5
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y=\frac{1}{18}\left(-9\right)
Multiply both sides by -9.
y=\frac{-9}{18}
Multiply \frac{1}{18} and -9 to get \frac{-9}{18}.
y=-\frac{1}{2}
Reduce the fraction \frac{-9}{18} to lowest terms by extracting and canceling out 9.
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