-124=1b+-6(7b+7)

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Solution for -124=1b+-6(7b+7) equation: 



-124=1b+-6(7b+7)

We move all terms to the left:

-124-(1b+-6(7b+7))=0

We use the square of the difference formula

-(1b-6(7b+7))-124=0



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

1b-6(7b+7)

We add all the numbers together, and all the variables

b-6(7b+7)

We multiply parentheses

b-42b-42

We add all the numbers together, and all the variables

-41b-42

Back to the equation:

-(-41b-42)



We get rid of parentheses

41b+42-124=0

We add all the numbers together, and all the variables

41b-82=0

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

41b=82

b=82/41

b=2

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