-18-(-18)=

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Solution for -18-(-18)= equation: 


Simplifying
-18 + -1(-18) = 0

Multiply -1 * -18
-18 + 18 = 0

Combine like terms: -18 + 18 = 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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