Solve for y
y=2
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12+7y-13y=0
Subtract 13y from both sides.
12-6y=0
Combine 7y and -13y to get -6y.
-6y=-12
Subtract 12 from both sides. Anything subtracted from zero gives its negation.
y=\frac{-12}{-6}
Divide both sides by -6.
y=2
Divide -12 by -6 to get 2.
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