15=-m-2m

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Solution for 15=-m-2m equation:


Simplifying
15 = -1m + -2m

Combine like terms: -1m + -2m = -3m
15 = -3m

Solving
15 = -3m

Solving for variable 'm'.

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

Add '3m' to each side of the equation.
15 + 3m = -3m + 3m

Combine like terms: -3m + 3m = 0
15 + 3m = 0

Add '-15' to each side of the equation.
15 + -15 + 3m = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 3m = 0 + -15
3m = 0 + -15

Combine like terms: 0 + -15 = -15
3m = -15

Divide each side by '3'.
m = -5

Simplifying
m = -5

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