-111.616=3.2(1+6.9b)

Solution for -111.616=3.2(1+6.9b) equation:

-111.616=3.2(1+6.9b)

We move all terms to the left:

-111.616-(3.2(1+6.9b))=0

We add all the numbers together, and all the variables

-(3.2(6.9b+1))-111.616=0


We calculate terms in parentheses: -(3.2(6.9b+1)), so:

3.2(6.9b+1)

We multiply parentheses

19.2b+3.2

Back to the equation:

-(19.2b+3.2)


We get rid of parentheses

-19.2b-3.2-111.616=0

We add all the numbers together, and all the variables

-19.2b-114.816=0

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

-19.2b=114.816

b=114.816/-19.2

b=-5+10.361233480176/10.57268722467