11=-7+r-7r

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Solution for 11=-7+r-7r equation: 



11=-7+r-7r

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(-6r-7)+11=0

We get rid of parentheses

6r+7+11=0

We add all the numbers together, and all the variables

6r+18=0

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

6r=-18

r=-18/6

r=-3

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