15+63=78

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Solution for 15+63=78 equation: 


Simplifying
15 + 63 = 78

Combine like terms: 15 + 63 = 78
78 = 78

Add '-78' to each side of the equation.
78 + -78 = 78 + -78

Combine like terms: 78 + -78 = 0
0 = 78 + -78

Combine like terms: 78 + -78 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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