Solve for y
y=-3
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-1-3y=8
Subtract 8 from 7 to get -1.
-3y=8+1
Add 1 to both sides.
-3y=9
Add 8 and 1 to get 9.
y=\frac{9}{-3}
Divide both sides by -3.
y=-3
Divide 9 by -3 to get -3.
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