7m-9-m=3m

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Solution for 7m-9-m=3m equation:


Simplifying
7m + -9 + -1m = 3m

Reorder the terms:
-9 + 7m + -1m = 3m

Combine like terms: 7m + -1m = 6m
-9 + 6m = 3m

Solving
-9 + 6m = 3m

Solving for variable 'm'.

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

Add '-3m' to each side of the equation.
-9 + 6m + -3m = 3m + -3m

Combine like terms: 6m + -3m = 3m
-9 + 3m = 3m + -3m

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

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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