Solve for y
y=-21
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30+4y=9+3y
Multiply both sides of the equation by 3.
30+4y-3y=9
Subtract 3y from both sides.
30+y=9
Combine 4y and -3y to get y.
y=9-30
Subtract 30 from both sides.
y=-21
Subtract 30 from 9 to get -21.
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