2b-3(1+b)=-3(b+7)

Solution for 2b-3(1+b)=-3(b+7) equation:

2b-3(1+b)=-3(b+7)

We move all terms to the left:

2b-3(1+b)-(-3(b+7))=0

We add all the numbers together, and all the variables

2b-3(b+1)-(-3(b+7))=0

We multiply parentheses

2b-3b-(-3(b+7))-3=0


We calculate terms in parentheses: -(-3(b+7)), so:

-3(b+7)

We multiply parentheses

-3b-21

Back to the equation:

-(-3b-21)


We add all the numbers together, and all the variables

-1b-(-3b-21)-3=0

We get rid of parentheses

-1b+3b+21-3=0

We add all the numbers together, and all the variables

2b+18=0

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

2b=-18

b=-18/2

b=-9