Solve for x
x=3
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7-x-2x=-2
Subtract 2x from both sides.
7-3x=-2
Combine -x and -2x to get -3x.
-3x=-2-7
Subtract 7 from both sides.
-3x=-9
Subtract 7 from -2 to get -9.
x=\frac{-9}{-3}
Divide both sides by -3.
x=3
Divide -9 by -3 to get 3.
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