3(r-1)=-11+4r

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Solution for 3(r-1)=-11+4r equation: 



3(r-1)=-11+4r

We move all terms to the left:

3(r-1)-(-11+4r)=0

We add all the numbers together, and all the variables

3(r-1)-(4r-11)=0

We multiply parentheses

3r-(4r-11)-3=0

We get rid of parentheses

3r-4r+11-3=0

We add all the numbers together, and all the variables

-1r+8=0

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

-r=-8

r=-8/-1

r=+8

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