Solve for x
x=92
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45\times 2=-2+x
Multiply both sides by 2, the reciprocal of \frac{1}{2}.
90=-2+x
Multiply 45 and 2 to get 90.
-2+x=90
Swap sides so that all variable terms are on the left hand side.
x=90+2
Add 2 to both sides.
x=92
Add 90 and 2 to get 92.
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