21+21m=42m+20

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Solution for 21+21m=42m+20 equation:



21+21m=42m+20
We move all terms to the left:
21+21m-(42m+20)=0
We get rid of parentheses
21m-42m-20+21=0
We add all the numbers together, and all the variables
-21m+1=0
We move all terms containing m to the left, all other terms to the right
-21m=-1
m=-1/-21
m=1/21

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