-7-(-7)=-7+(7)

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Solution for -7-(-7)=-7+(7) equation: 


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

Multiply -1 * -7
-7 + 7 = -7 + (7)

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