[-20+(-3)]+[-15+18]=

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Solution for [-20+(-3)]+[-15+18]= equation: 


Simplifying
[-20 + (-3)] + [-15 + 18] = 0
[-20 + -3] + [-15 + 18] = 0

Combine like terms: -20 + -3 = -23
[-23] + [-15 + 18] = 0
-23 + [-15 + 18] = 0

Combine like terms: -15 + 18 = 3
-23 + [3] = 0
-23 + 3 = 0

Combine like terms: -23 + 3 = -20
-20 = 0

Solving
-20 = 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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