Solve for x
x=77
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-0.5\times 6=x-80
Multiply both sides by 6.
-3=x-80
Multiply -0.5 and 6 to get -3.
x-80=-3
Swap sides so that all variable terms are on the left hand side.
x=-3+80
Add 80 to both sides.
x=77
Add -3 and 80 to get 77.
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