Solve for x
x=-1
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12-3x=\frac{30}{2}
Divide both sides by 2.
12-3x=15
Divide 30 by 2 to get 15.
-3x=15-12
Subtract 12 from both sides.
-3x=3
Subtract 12 from 15 to get 3.
x=\frac{3}{-3}
Divide both sides by -3.
x=-1
Divide 3 by -3 to get -1.
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