7-8b=2+4(3-9b)

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Solution for 7-8b=2+4(3-9b) equation: 



7-8b=2+4(3-9b)

We move all terms to the left:

7-8b-(2+4(3-9b))=0

We add all the numbers together, and all the variables

-8b-(2+4(-9b+3))+7=0



We calculate terms in parentheses: -(2+4(-9b+3)), so:

2+4(-9b+3)

determiningTheFunctionDomain
4(-9b+3)+2

We multiply parentheses

-36b+12+2

We add all the numbers together, and all the variables

-36b+14

Back to the equation:

-(-36b+14)



We get rid of parentheses

-8b+36b-14+7=0

We add all the numbers together, and all the variables

28b-7=0

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

28b=7

b=7/28

b=1/4

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