4xy+9xy=13xy

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Solution for 4xy+9xy=13xy equation: 


Simplifying
4xy + 9xy = 13xy

Combine like terms: 4xy + 9xy = 13xy
13xy = 13xy

Add '-13xy' to each side of the equation.
13xy + -13xy = 13xy + -13xy

Combine like terms: 13xy + -13xy = 0
0 = 13xy + -13xy

Combine like terms: 13xy + -13xy = 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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