Solve for x
x = \frac{9}{2} = 4\frac{1}{2} = 4.5
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3+2x=12
Multiply both sides of the equation by 6, the least common multiple of 2,3.
2x=12-3
Subtract 3 from both sides.
2x=9
Subtract 3 from 12 to get 9.
x=\frac{9}{2}
Divide both sides by 2.
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