20+5m-1=8m-20

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Solution for 20+5m-1=8m-20 equation: 



20+5m-1=8m-20

We move all terms to the left:

20+5m-1-(8m-20)=0

We add all the numbers together, and all the variables

5m-(8m-20)+19=0

We get rid of parentheses

5m-8m+20+19=0

We add all the numbers together, and all the variables

-3m+39=0

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

-3m=-39

m=-39/-3

m=+13

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