66=2(b+2)-5(-5-7b)

Solution for 66=2(b+2)-5(-5-7b) equation:

66=2(b+2)-5(-5-7b)

We move all terms to the left:

66-(2(b+2)-5(-5-7b))=0

We add all the numbers together, and all the variables

-(2(b+2)-5(-7b-5))+66=0


We calculate terms in parentheses: -(2(b+2)-5(-7b-5)), so:

2(b+2)-5(-7b-5)

We multiply parentheses

2b+35b+4+25

We add all the numbers together, and all the variables

37b+29

Back to the equation:

-(37b+29)


We get rid of parentheses

-37b-29+66=0

We add all the numbers together, and all the variables

-37b+37=0

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

-37b=-37

b=-37/-37

b=1