21+56+42=

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Solution for 21+56+42= equation: 


Simplifying
21 + 56 + 42 = 0

Combine like terms: 21 + 56 = 77
77 + 42 = 0

Combine like terms: 77 + 42 = 119
119 = 0

Solving
119 = 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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