-28-(-28)=

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Solution for -28-(-28)= equation: 


Simplifying
-28 + -1(-28) = 0

Multiply -1 * -28
-28 + 28 = 0

Combine like terms: -28 + 28 = 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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