Solve for y
y=8
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-4+2y=12
Combine y and y to get 2y.
2y=12+4
Add 4 to both sides.
2y=16
Add 12 and 4 to get 16.
y=\frac{16}{2}
Divide both sides by 2.
y=8
Divide 16 by 2 to get 8.
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