12m-6+9m-3=180

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Solution for 12m-6+9m-3=180 equation:


Simplifying
12m + -6 + 9m + -3 = 180

Reorder the terms:
-6 + -3 + 12m + 9m = 180

Combine like terms: -6 + -3 = -9
-9 + 12m + 9m = 180

Combine like terms: 12m + 9m = 21m
-9 + 21m = 180

Solving
-9 + 21m = 180

Solving for variable 'm'.

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

Add '9' to each side of the equation.
-9 + 9 + 21m = 180 + 9

Combine like terms: -9 + 9 = 0
0 + 21m = 180 + 9
21m = 180 + 9

Combine like terms: 180 + 9 = 189
21m = 189

Divide each side by '21'.
m = 9

Simplifying
m = 9

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