4m+5m=9m

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Solution for 4m+5m=9m equation: 


Simplifying
4m + 5m = 9m

Combine like terms: 4m + 5m = 9m
9m = 9m

Add '-9m' to each side of the equation.
9m + -9m = 9m + -9m

Combine like terms: 9m + -9m = 0
0 = 9m + -9m

Combine like terms: 9m + -9m = 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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