-3r-11=1-7r

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Solution for -3r-11=1-7r equation: 



-3r-11=1-7r

We move all terms to the left:

-3r-11-(1-7r)=0

We add all the numbers together, and all the variables

-3r-(-7r+1)-11=0

We get rid of parentheses

-3r+7r-1-11=0

We add all the numbers together, and all the variables

4r-12=0

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

4r=12

r=12/4

r=3

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