12m+3n-2m+9n=

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Solution for 12m+3n-2m+9n= equation:


Simplifying
12m + 3n + -2m + 9n = 0

Reorder the terms:
12m + -2m + 3n + 9n = 0

Combine like terms: 12m + -2m = 10m
10m + 3n + 9n = 0

Combine like terms: 3n + 9n = 12n
10m + 12n = 0

Solving
10m + 12n = 0

Solving for variable 'm'.

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

Add '-12n' to each side of the equation.
10m + 12n + -12n = 0 + -12n

Combine like terms: 12n + -12n = 0
10m + 0 = 0 + -12n
10m = 0 + -12n
Remove the zero:
10m = -12n

Divide each side by '10'.
m = -1.2n

Simplifying
m = -1.2n

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