30=-2(24-b)+3(b-4)

Solution for 30=-2(24-b)+3(b-4) equation:

30=-2(24-b)+3(b-4)

We move all terms to the left:

30-(-2(24-b)+3(b-4))=0

We add all the numbers together, and all the variables

-(-2(-1b+24)+3(b-4))+30=0


We calculate terms in parentheses: -(-2(-1b+24)+3(b-4)), so:

-2(-1b+24)+3(b-4)

We multiply parentheses

2b+3b-48-12

We add all the numbers together, and all the variables

5b-60

Back to the equation:

-(5b-60)


We get rid of parentheses

-5b+60+30=0

We add all the numbers together, and all the variables

-5b+90=0

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

-5b=-90

b=-90/-5

b=+18