12m+9=2m-11

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Solution for 12m+9=2m-11 equation:


Simplifying
12m + 9 = 2m + -11

Reorder the terms:
9 + 12m = 2m + -11

Reorder the terms:
9 + 12m = -11 + 2m

Solving
9 + 12m = -11 + 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 + 12m + -2m = -11 + 2m + -2m

Combine like terms: 12m + -2m = 10m
9 + 10m = -11 + 2m + -2m

Combine like terms: 2m + -2m = 0
9 + 10m = -11 + 0
9 + 10m = -11

Add '-9' to each side of the equation.
9 + -9 + 10m = -11 + -9

Combine like terms: 9 + -9 = 0
0 + 10m = -11 + -9
10m = -11 + -9

Combine like terms: -11 + -9 = -20
10m = -20

Divide each side by '10'.
m = -2

Simplifying
m = -2

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