Solve for x
x=9
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5x+4-2x=31
Subtract 2x from both sides.
3x+4=31
Combine 5x and -2x to get 3x.
3x=31-4
Subtract 4 from both sides.
3x=27
Subtract 4 from 31 to get 27.
x=\frac{27}{3}
Divide both sides by 3.
x=9
Divide 27 by 3 to get 9.
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