Solve for y
y=-3
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-2-2y=4
Swap sides so that all variable terms are on the left hand side.
-2y=4+2
Add 2 to both sides.
-2y=6
Add 4 and 2 to get 6.
y=\frac{6}{-2}
Divide both sides by -2.
y=-3
Divide 6 by -2 to get -3.
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