7m-4m-9=0

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Solution for 7m-4m-9=0 equation: 


Simplifying
7m + -4m + -9 = 0

Reorder the terms:
-9 + 7m + -4m = 0

Combine like terms: 7m + -4m = 3m
-9 + 3m = 0

Solving
-9 + 3m = 0

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + 3m = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 3m = 0 + 9
3m = 0 + 9

Combine like terms: 0 + 9 = 9
3m = 9

Divide each side by '3'.
m = 3

Simplifying
m = 3

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