Solve for x
x=8
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6x+7-3x=31
Subtract 3x from both sides.
3x+7=31
Combine 6x and -3x to get 3x.
3x=31-7
Subtract 7 from both sides.
3x=24
Subtract 7 from 31 to get 24.
x=\frac{24}{3}
Divide both sides by 3.
x=8
Divide 24 by 3 to get 8.
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