Solve for y
y=-1
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10+3y=7
Multiply 2 and 5 to get 10.
3y=7-10
Subtract 10 from both sides.
3y=-3
Subtract 10 from 7 to get -3.
y=\frac{-3}{3}
Divide both sides by 3.
y=-1
Divide -3 by 3 to get -1.
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