-2x-(-2x-1)=7

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Solution for -2x-(-2x-1)=7 equation: 


Simplifying
-2x + -1(-2x + -1) = 7

Reorder the terms:
-2x + -1(-1 + -2x) = 7
-2x + (-1 * -1 + -2x * -1) = 7
-2x + (1 + 2x) = 7

Reorder the terms:
1 + -2x + 2x = 7

Combine like terms: -2x + 2x = 0
1 + 0 = 7
1 = 7

Solving
1 = 7

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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