-21+9-(-8)=

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Solution for -21+9-(-8)= equation: 


Simplifying
-21 + 9 + -1(-8) = 0

Multiply -1 * -8
-21 + 9 + 8 = 0

Combine like terms: -21 + 9 = -12
-12 + 8 = 0

Combine like terms: -12 + 8 = -4
-4 = 0

Solving
-4 = 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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