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

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

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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

8r-(2(-5r+4))-64=0


We calculate terms in parentheses: -(2(-5r+4)), so:

2(-5r+4)

We multiply parentheses

-10r+8

Back to the equation:

-(-10r+8)


We get rid of parentheses

8r+10r-8-64=0

We add all the numbers together, and all the variables

18r-72=0

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

18r=72

r=72/18

r=4