Solve for x
x=-678
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-84\times 12=x-330
Multiply both sides by 12.
-1008=x-330
Multiply -84 and 12 to get -1008.
x-330=-1008
Swap sides so that all variable terms are on the left hand side.
x=-1008+330
Add 330 to both sides.
x=-678
Add -1008 and 330 to get -678.
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