2m+8m-3m=-21

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Solution for 2m+8m-3m=-21 equation: 


Simplifying
2m + 8m + -3m = -21

Combine like terms: 2m + 8m = 10m
10m + -3m = -21

Combine like terms: 10m + -3m = 7m
7m = -21

Solving
7m = -21

Solving for variable 'm'.

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

Divide each side by '7'.
m = -3

Simplifying
m = -3

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