Solve for x
x=-1
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2x-\left(x-1\right)=0
Multiply both sides of the equation by 2.
2x-x-\left(-1\right)=0
To find the opposite of x-1, find the opposite of each term.
2x-x+1=0
The opposite of -1 is 1.
x+1=0
Combine 2x and -x to get x.
x=-1
Subtract 1 from both sides. Anything subtracted from zero gives its negation.
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