Solve for x
x = \frac{7}{4} = 1\frac{3}{4} = 1.75
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3x+2+x=9
Add x to both sides.
4x+2=9
Combine 3x and x to get 4x.
4x=9-2
Subtract 2 from both sides.
4x=7
Subtract 2 from 9 to get 7.
x=\frac{7}{4}
Divide both sides by 4.
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