(5b-9)+(b+8)=(-4b)+(8b)

Solution for (5b-9)+(b+8)=(-4b)+(8b) equation:

(5b-9)+(b+8)=(-4b)+(8b)

We move all terms to the left:

(5b-9)+(b+8)-((-4b)+(8b))=0

We get rid of parentheses

5b+b-((-4b)+8b)-9+8=0


We calculate terms in parentheses: -((-4b)+8b), so:

(-4b)+8b

We add all the numbers together, and all the variables

8b+(-4b)

We get rid of parentheses

8b-4b

We add all the numbers together, and all the variables

4b

Back to the equation:

-(4b)


We add all the numbers together, and all the variables

2b-1=0

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

2b=1

b=1/2

b=1/2