126-21-21=

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Solution for 126-21-21= equation: 


Simplifying
126 + -21 + -21 = 0

Combine like terms: 126 + -21 = 105
105 + -21 = 0

Combine like terms: 105 + -21 = 84
84 = 0

Solving
84 = 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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