3m-9=2m-4

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Solution for 3m-9=2m-4 equation:


Simplifying
3m + -9 = 2m + -4

Reorder the terms:
-9 + 3m = 2m + -4

Reorder the terms:
-9 + 3m = -4 + 2m

Solving
-9 + 3m = -4 + 2m

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
-9 + 3m + -2m = -4 + 2m + -2m

Combine like terms: 3m + -2m = 1m
-9 + 1m = -4 + 2m + -2m

Combine like terms: 2m + -2m = 0
-9 + 1m = -4 + 0
-9 + 1m = -4

Add '9' to each side of the equation.
-9 + 9 + 1m = -4 + 9

Combine like terms: -9 + 9 = 0
0 + 1m = -4 + 9
1m = -4 + 9

Combine like terms: -4 + 9 = 5
1m = 5

Divide each side by '1'.
m = 5

Simplifying
m = 5

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