Solve for x
x=27
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-3x+4x+3+9=39
Combine -2x and -x to get -3x.
x+3+9=39
Combine -3x and 4x to get x.
x+12=39
Add 3 and 9 to get 12.
x=39-12
Subtract 12 from both sides.
x=27
Subtract 12 from 39 to get 27.
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