13+13b=7+6(1-7b)

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Solution for 13+13b=7+6(1-7b) equation: 



13+13b=7+6(1-7b)

We move all terms to the left:

13+13b-(7+6(1-7b))=0

We add all the numbers together, and all the variables

13b-(7+6(-7b+1))+13=0



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

7+6(-7b+1)

determiningTheFunctionDomain
6(-7b+1)+7

We multiply parentheses

-42b+6+7

We add all the numbers together, and all the variables

-42b+13

Back to the equation:

-(-42b+13)



We get rid of parentheses

13b+42b-13+13=0

We add all the numbers together, and all the variables

55b=0

b=0/55

b=0

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