Solve for x
x=-11
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-7-2x=15
Swap sides so that all variable terms are on the left hand side.
-2x=15+7
Add 7 to both sides.
-2x=22
Add 15 and 7 to get 22.
x=\frac{22}{-2}
Divide both sides by -2.
x=-11
Divide 22 by -2 to get -11.
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