133=7b+7(b+7)

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Solution for 133=7b+7(b+7) equation: 



133=7b+7(b+7)

We move all terms to the left:

133-(7b+7(b+7))=0



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

7b+7(b+7)

We multiply parentheses

7b+7b+49

We add all the numbers together, and all the variables

14b+49

Back to the equation:

-(14b+49)



We get rid of parentheses

-14b-49+133=0

We add all the numbers together, and all the variables

-14b+84=0

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

-14b=-84

b=-84/-14

b=+6

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