Solve for y
y=4
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7y-12-3y=4
Subtract 3y from both sides.
4y-12=4
Combine 7y and -3y to get 4y.
4y=4+12
Add 12 to both sides.
4y=16
Add 4 and 12 to get 16.
y=\frac{16}{4}
Divide both sides by 4.
y=4
Divide 16 by 4 to get 4.
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