252=7(1+7r)

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



252=7(1+7r)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

7(7r+1)

We multiply parentheses

49r+7

Back to the equation:

-(49r+7)



We get rid of parentheses

-49r-7+252=0

We add all the numbers together, and all the variables

-49r+245=0

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

-49r=-245

r=-245/-49

r=+5

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