18+7b=-2b-6(7-4b)

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Solution for 18+7b=-2b-6(7-4b) equation: 



18+7b=-2b-6(7-4b)

We move all terms to the left:

18+7b-(-2b-6(7-4b))=0

We add all the numbers together, and all the variables

7b-(-2b-6(-4b+7))+18=0



We calculate terms in parentheses: -(-2b-6(-4b+7)), so:

-2b-6(-4b+7)

We multiply parentheses

-2b+24b-42

We add all the numbers together, and all the variables

22b-42

Back to the equation:

-(22b-42)



We get rid of parentheses

7b-22b+42+18=0

We add all the numbers together, and all the variables

-15b+60=0

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

-15b=-60

b=-60/-15

b=+4

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