-23+(-11)-(-15)+21=

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Solution for -23+(-11)-(-15)+21= equation: 


Simplifying
-23 + (-11) + -1(-15) + 21 = 0
-23 + -11 + -1(-15) + 21 = 0

Multiply -1 * -15
-23 + -11 + 15 + 21 = 0

Combine like terms: -23 + -11 = -34
-34 + 15 + 21 = 0

Combine like terms: -34 + 15 = -19
-19 + 21 = 0

Combine like terms: -19 + 21 = 2
2 = 0

Solving
2 = 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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