21-(-2)=

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Solution for 21-(-2)= equation:


Simplifying
21 + -1(-2) = 0

Multiply -1 * -2
21 + 2 = 0

Combine like terms: 21 + 2 = 23
23 = 0

Solving
23 = 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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