3(7-7)=-6+6r

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Solution for 3(7-7)=-6+6r equation: 



3(7-7)=-6+6r

We move all terms to the left:

3(7-7)-(-6+6r)=0

We add all the numbers together, and all the variables

-(6r-6)+30=0

We get rid of parentheses

-6r+6+30=0

We add all the numbers together, and all the variables

-6r+36=0

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

-6r=-36

r=-36/-6

r=+6

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