9m-7m+2m=4m

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Solution for 9m-7m+2m=4m equation: 


Simplifying
9m + -7m + 2m = 4m

Combine like terms: 9m + -7m = 2m
2m + 2m = 4m

Combine like terms: 2m + 2m = 4m
4m = 4m

Add '-4m' to each side of the equation.
4m + -4m = 4m + -4m

Combine like terms: 4m + -4m = 0
0 = 4m + -4m

Combine like terms: 4m + -4m = 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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