7-(r+4)=3r-1

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Solution for 7-(r+4)=3r-1 equation: 



7-(r+4)=3r-1

We move all terms to the left:

7-(r+4)-(3r-1)=0

We get rid of parentheses

-r-3r-4+1+7=0

We add all the numbers together, and all the variables

-4r+4=0

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

-4r=-4

r=-4/-4

r=1

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