3m-1=20-2m

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Solution for 3m-1=20-2m equation: 



3m-1=20-2m

We move all terms to the left:

3m-1-(20-2m)=0

We add all the numbers together, and all the variables

3m-(-2m+20)-1=0

We get rid of parentheses

3m+2m-20-1=0

We add all the numbers together, and all the variables

5m-21=0

We move all terms containing m to the left, all other terms to the right

5m=21

m=21/5

m=4+1/5

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