Solve for x
x=-12
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7+7x=-77
Swap sides so that all variable terms are on the left hand side.
7x=-77-7
Subtract 7 from both sides.
7x=-84
Subtract 7 from -77 to get -84.
x=\frac{-84}{7}
Divide both sides by 7.
x=-12
Divide -84 by 7 to get -12.
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