252=-7(1-6r)+7

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Solution for 252=-7(1-6r)+7 equation: 



252=-7(1-6r)+7

We move all terms to the left:

252-(-7(1-6r)+7)=0

We add all the numbers together, and all the variables

-(-7(-6r+1)+7)+252=0



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

-7(-6r+1)+7

We multiply parentheses

42r-7+7

We add all the numbers together, and all the variables

42r

Back to the equation:

-(42r)



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

-42r=-252

r=-252/-42

r=+6

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