1+-7(7m-4)=421

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Solution for 1+-7(7m-4)=421 equation: 



1+-7(7m-4)=421

We move all terms to the left:

1+-7(7m-4)-(421)=0

determiningTheFunctionDomain
-7(7m-4)+1-421+=0

We add all the numbers together, and all the variables

-7(7m-4)=0

We multiply parentheses

-49m+28=0

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

-49m=-28

m=-28/-49

m=4/7

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