31=3m-m

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Solution for 31=3m-m equation:


Simplifying
31 = 3m + -1m

Combine like terms: 3m + -1m = 2m
31 = 2m

Solving
31 = 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.
31 + -2m = 2m + -2m

Combine like terms: 2m + -2m = 0
31 + -2m = 0

Add '-31' to each side of the equation.
31 + -31 + -2m = 0 + -31

Combine like terms: 31 + -31 = 0
0 + -2m = 0 + -31
-2m = 0 + -31

Combine like terms: 0 + -31 = -31
-2m = -31

Divide each side by '-2'.
m = 15.5

Simplifying
m = 15.5

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