Solve for x
x=2
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3x+4+4x=18
Add 4x to both sides.
7x+4=18
Combine 3x and 4x to get 7x.
7x=18-4
Subtract 4 from both sides.
7x=14
Subtract 4 from 18 to get 14.
x=\frac{14}{7}
Divide both sides by 7.
x=2
Divide 14 by 7 to get 2.
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