(3m-10)7=20-m

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Solution for (3m-10)7=20-m equation: 



(3m-10)7=20-m

We move all terms to the left:

(3m-10)7-(20-m)=0

We add all the numbers together, and all the variables

(3m-10)7-(-1m+20)=0

We multiply parentheses

21m-(-1m+20)-70=0

We get rid of parentheses

21m+1m-20-70=0

We add all the numbers together, and all the variables

22m-90=0

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

22m=90

m=90/22

m=4+1/11

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