Solve for x
x=40
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\frac{1}{2}x=2+18
Add 18 to both sides.
\frac{1}{2}x=20
Add 2 and 18 to get 20.
x=20\times 2
Multiply both sides by 2, the reciprocal of \frac{1}{2}.
x=40
Multiply 20 and 2 to get 40.
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