-42-(-39)=

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Solution for -42-(-39)= equation: 


Simplifying
-42 + -1(-39) = 0

Multiply -1 * -39
-42 + 39 = 0

Combine like terms: -42 + 39 = -3
-3 = 0

Solving
-3 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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