AB=BA

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Solution for AB=BA equation: 


Simplifying
AB = BA

Add '-1AB' to each side of the equation.
AB + -1AB = AB + -1AB

Combine like terms: AB + -1AB = 0
0 = AB + -1AB

Combine like terms: AB + -1AB = 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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