Solve for x
x = \frac{9}{4} = 2\frac{1}{4} = 2.25
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5+3x+x=14
Add 1 and 4 to get 5.
5+4x=14
Combine 3x and x to get 4x.
4x=14-5
Subtract 5 from both sides.
4x=9
Subtract 5 from 14 to get 9.
x=\frac{9}{4}
Divide both sides by 4.
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