-132=-6(1+7r)

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Solution for -132=-6(1+7r) equation: 



-132=-6(1+7r)

We move all terms to the left:

-132-(-6(1+7r))=0

We add all the numbers together, and all the variables

-(-6(7r+1))-132=0



We calculate terms in parentheses: -(-6(7r+1)), so:

-6(7r+1)

We multiply parentheses

-42r-6

Back to the equation:

-(-42r-6)



We get rid of parentheses

42r+6-132=0

We add all the numbers together, and all the variables

42r-126=0

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

42r=126

r=126/42

r=3

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