Solve for x
x=-7
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x-1-2x=6
Multiply both sides of the equation by 2.
-x-1=6
Combine x and -2x to get -x.
-x=6+1
Add 1 to both sides.
-x=7
Add 6 and 1 to get 7.
x=-7
Multiply both sides by -1.
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