7(6+7r)=-1+6r

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Solution for 7(6+7r)=-1+6r equation: 



7(6+7r)=-1+6r

We move all terms to the left:

7(6+7r)-(-1+6r)=0

We add all the numbers together, and all the variables

7(7r+6)-(6r-1)=0

We multiply parentheses

49r-(6r-1)+42=0

We get rid of parentheses

49r-6r+1+42=0

We add all the numbers together, and all the variables

43r+43=0

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

43r=-43

r=-43/43

r=-1

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