36-(-21)=

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Solution for 36-(-21)= equation: 


Simplifying
36 + -1(-21) = 0

Multiply -1 * -21
36 + 21 = 0

Combine like terms: 36 + 21 = 57
57 = 0

Solving
57 = 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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