2x-2x-7=-7

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Solution for 2x-2x-7=-7 equation: 


Simplifying
2x + -2x + -7 = -7

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

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

Add '7' to each side of the equation.
-7 + 7 = -7 + 7

Combine like terms: -7 + 7 = 0
0 = -7 + 7

Combine like terms: -7 + 7 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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