20+19=19+20

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Solution for 20+19=19+20 equation: 


Simplifying
20 + 19 = 19 + 20

Combine like terms: 20 + 19 = 39
39 = 19 + 20

Combine like terms: 19 + 20 = 39
39 = 39

Add '-39' to each side of the equation.
39 + -39 = 39 + -39

Combine like terms: 39 + -39 = 0
0 = 39 + -39

Combine like terms: 39 + -39 = 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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