-5+7m-20=20-m

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Solution for -5+7m-20=20-m equation: 



-5+7m-20=20-m

We move all terms to the left:

-5+7m-20-(20-m)=0

We add all the numbers together, and all the variables

7m-(-1m+20)-5-20=0

We add all the numbers together, and all the variables

7m-(-1m+20)-25=0

We get rid of parentheses

7m+1m-20-25=0

We add all the numbers together, and all the variables

8m-45=0

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

8m=45

m=45/8

m=5+5/8

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