Solve for x
x=-2
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-1-7x=13
Swap sides so that all variable terms are on the left hand side.
-7x=13+1
Add 1 to both sides.
-7x=14
Add 13 and 1 to get 14.
x=\frac{14}{-7}
Divide both sides by -7.
x=-2
Divide 14 by -7 to get -2.
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