Solve for x
x=20
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\frac{1}{2}x=1+9
Add 9 to both sides.
\frac{1}{2}x=10
Add 1 and 9 to get 10.
x=10\times 2
Multiply both sides by 2, the reciprocal of \frac{1}{2}.
x=20
Multiply 10 and 2 to get 20.
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