63+3-12=21

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Solution for 63+3-12=21 equation: 


Simplifying
63 + 3 + -12 = 21

Combine like terms: 63 + 3 = 66
66 + -12 = 21

Combine like terms: 66 + -12 = 54
54 = 21

Solving
54 = 21

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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