72+4-40=

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Solution for 72+4-40= equation: 


Simplifying
72 + 4 + -40 = 0

Combine like terms: 72 + 4 = 76
76 + -40 = 0

Combine like terms: 76 + -40 = 36
36 = 0

Solving
36 = 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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