3m+12=6m-9

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Solution for 3m+12=6m-9 equation:


Simplifying
3m + 12 = 6m + -9

Reorder the terms:
12 + 3m = 6m + -9

Reorder the terms:
12 + 3m = -9 + 6m

Solving
12 + 3m = -9 + 6m

Solving for variable 'm'.

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

Add '-6m' to each side of the equation.
12 + 3m + -6m = -9 + 6m + -6m

Combine like terms: 3m + -6m = -3m
12 + -3m = -9 + 6m + -6m

Combine like terms: 6m + -6m = 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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