Solve for x
x=104
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x+256=180\times 2
Multiply both sides by 2, the reciprocal of \frac{1}{2}.
x+256=360
Multiply 180 and 2 to get 360.
x=360-256
Subtract 256 from both sides.
x=104
Subtract 256 from 360 to get 104.
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