12m+m-12m-m+m=20

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Solution for 12m+m-12m-m+m=20 equation: 


Simplifying
12m + m + -12m + -1m + m = 20

Combine like terms: 12m + m = 13m
13m + -12m + -1m + m = 20

Combine like terms: 13m + -12m = 1m
1m + -1m + m = 20

Combine like terms: 1m + -1m = 0
0 + m = 20
m = 20

Solving
m = 20

Solving for variable 'm'.

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

Simplifying
m = 20

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