Solve for y 7y-9y=-8-12

Math
7y-9y=-8-12
Subtract 9y from 7y.
-2y=-8-12
Subtract 12 from -8.
-2y=-20
Divide each term by -2 and simplify.
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Divide each term in -2y=-20 by -2.
-2y-2=-20-2
Cancel the common factor of -2.
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Cancel the common factor.
-2y-2=-20-2
Divide y by 1.
y=-20-2
y=-20-2
Divide -20 by -2.
y=10
y=10
Solve for y 7y-9y=-8-12

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