B+7=2(1+4b)-7b

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Solution for B+7=2(1+4b)-7b equation: 



+7=2(1+4B)-7B

We move all terms to the left:

+7-(2(1+4B)-7B)=0

We add all the numbers together, and all the variables

-(2(4B+1)-7B)+7=0



We calculate terms in parentheses: -(2(4B+1)-7B), so:

2(4B+1)-7B

We add all the numbers together, and all the variables

-7B+2(4B+1)

We multiply parentheses

-7B+8B+2

We add all the numbers together, and all the variables

B+2

Back to the equation:

-(B+2)



We get rid of parentheses

-B-2+7=0

We add all the numbers together, and all the variables

-1B+5=0

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

-B=-5

B=-5/-1

B=+5

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