8m+3=9m+20

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Solution for 8m+3=9m+20 equation: 



8m+3=9m+20

We move all terms to the left:

8m+3-(9m+20)=0

We get rid of parentheses

8m-9m-20+3=0

We add all the numbers together, and all the variables

-1m-17=0

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

-m=17

m=17/-1

m=-17

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