Solve for x
x=-1
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1+x+2x=-2
Add 2x to both sides.
1+3x=-2
Combine x and 2x to get 3x.
3x=-2-1
Subtract 1 from both sides.
3x=-3
Subtract 1 from -2 to get -3.
x=\frac{-3}{3}
Divide both sides by 3.
x=-1
Divide -3 by 3 to get -1.
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Limits
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