(-7)-(-7)=

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


Simplifying
(-7) + -1(-7) = 0
-7 + -1(-7) = 0

Multiply -1 * -7
-7 + 7 = 0

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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