-4(-4-b)=0.3(b+15)

Solution for -4(-4-b)=0.3(b+15) equation:

-4(-4-b)=0.3(b+15)

We move all terms to the left:

-4(-4-b)-(0.3(b+15))=0

We add all the numbers together, and all the variables

-4(-1b-4)-(0.3(b+15))=0

We multiply parentheses

4b-(0.3(b+15))+16=0


We calculate terms in parentheses: -(0.3(b+15)), so:

0.3(b+15)

We multiply parentheses

0.3b+4.5

Back to the equation:

-(0.3b+4.5)


We get rid of parentheses

4b-0.3b-4.5+16=0

We add all the numbers together, and all the variables

3.7b+11.5=0

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

3.7b=-11.5

b=-11.5/3.7

b=-3+0.4/3.7