-3(r+1)=r

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



-3(r+1)=r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-1r-3r-3=0

We add all the numbers together, and all the variables

-4r-3=0

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

-4r=3

r=3/-4

r=-3/4

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