2m-12=5m+9

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Solution for 2m-12=5m+9 equation:


Simplifying
2m + -12 = 5m + 9

Reorder the terms:
-12 + 2m = 5m + 9

Reorder the terms:
-12 + 2m = 9 + 5m

Solving
-12 + 2m = 9 + 5m

Solving for variable 'm'.

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

Add '-5m' to each side of the equation.
-12 + 2m + -5m = 9 + 5m + -5m

Combine like terms: 2m + -5m = -3m
-12 + -3m = 9 + 5m + -5m

Combine like terms: 5m + -5m = 0
-12 + -3m = 9 + 0
-12 + -3m = 9

Add '12' to each side of the equation.
-12 + 12 + -3m = 9 + 12

Combine like terms: -12 + 12 = 0
0 + -3m = 9 + 12
-3m = 9 + 12

Combine like terms: 9 + 12 = 21
-3m = 21

Divide each side by '-3'.
m = -7

Simplifying
m = -7

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