13-(-8)=

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Solution for 13-(-8)= equation: 


Simplifying
13 + -1(-8) = 0

Multiply -1 * -8
13 + 8 = 0

Combine like terms: 13 + 8 = 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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