-2x-(-2x-1)=x+1-1-(x-2)

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Solution for -2x-(-2x-1)=x+1-1-(x-2) equation: 


Simplifying
-2x + -1(-2x + -1) = x + 1 + -1 + -1(x + -2)

Reorder the terms:
-2x + -1(-1 + -2x) = x + 1 + -1 + -1(x + -2)
-2x + (-1 * -1 + -2x * -1) = x + 1 + -1 + -1(x + -2)
-2x + (1 + 2x) = x + 1 + -1 + -1(x + -2)

Reorder the terms:
1 + -2x + 2x = x + 1 + -1 + -1(x + -2)

Combine like terms: -2x + 2x = 0
1 + 0 = x + 1 + -1 + -1(x + -2)
1 = x + 1 + -1 + -1(x + -2)

Reorder the terms:
1 = x + 1 + -1 + -1(-2 + x)
1 = x + 1 + -1 + (-2 * -1 + x * -1)
1 = x + 1 + -1 + (2 + -1x)

Reorder the terms:
1 = 1 + -1 + 2 + x + -1x

Combine like terms: 1 + -1 = 0
1 = 0 + 2 + x + -1x
1 = 2 + x + -1x

Combine like terms: x + -1x = 0
1 = 2 + 0
1 = 2

Solving
1 = 2

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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