6-(-15)=

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Solution for 6-(-15)= equation: 


Simplifying
6 + -1(-15) = 0

Multiply -1 * -15
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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