7(1+6m)-7=-40+2m

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Solution for 7(1+6m)-7=-40+2m equation: 



7(1+6m)-7=-40+2m

We move all terms to the left:

7(1+6m)-7-(-40+2m)=0

We add all the numbers together, and all the variables

7(6m+1)-(2m-40)-7=0

We multiply parentheses

42m-(2m-40)+7-7=0

We get rid of parentheses

42m-2m+40+7-7=0

We add all the numbers together, and all the variables

40m+40=0

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

40m=-40

m=-40/40

m=-1

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