-6+(-15)=

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Solution for -6+(-15)= equation: 


Simplifying
-6 + (-15) = 0
-6 + -15 = 0

Combine like terms: -6 + -15 = -21
-21 = 0

Solving
-21 = 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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