8r+2(r+8)=4(r-5)

Solution for 8r+2(r+8)=4(r-5) equation:

8r+2(r+8)=4(r-5)

We move all terms to the left:

8r+2(r+8)-(4(r-5))=0

We multiply parentheses

8r+2r-(4(r-5))+16=0


We calculate terms in parentheses: -(4(r-5)), so:

4(r-5)

We multiply parentheses

4r-20

Back to the equation:

-(4r-20)


We add all the numbers together, and all the variables

10r-(4r-20)+16=0

We get rid of parentheses

10r-4r+20+16=0

We add all the numbers together, and all the variables

6r+36=0

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

6r=-36

r=-36/6

r=-6