Solve for x
x=-6
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x+6-2x=12
Subtract 2x from both sides.
-x+6=12
Combine x and -2x to get -x.
-x=12-6
Subtract 6 from both sides.
-x=6
Subtract 6 from 12 to get 6.
x=-6
Multiply both sides by -1.
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