-3m=2m+20

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Solution for -3m=2m+20 equation: 


Simplifying
-3m = 2m + 20

Reorder the terms:
-3m = 20 + 2m

Solving
-3m = 20 + 2m

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
-3m + -2m = 20 + 2m + -2m

Combine like terms: -3m + -2m = -5m
-5m = 20 + 2m + -2m

Combine like terms: 2m + -2m = 0
-5m = 20 + 0
-5m = 20

Divide each side by '-5'.
m = -4

Simplifying
m = -4

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