Solve for x
x=6
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15-x+3x=27
Add 3x to both sides.
15+2x=27
Combine -x and 3x to get 2x.
2x=27-15
Subtract 15 from both sides.
2x=12
Subtract 15 from 27 to get 12.
x=\frac{12}{2}
Divide both sides by 2.
x=6
Divide 12 by 2 to get 6.
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