-8r-40=6(8-5r)

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Solution for -8r-40=6(8-5r) equation: 



-8r-40=6(8-5r)

We move all terms to the left:

-8r-40-(6(8-5r))=0

We add all the numbers together, and all the variables

-8r-(6(-5r+8))-40=0



We calculate terms in parentheses: -(6(-5r+8)), so:

6(-5r+8)

We multiply parentheses

-30r+48

Back to the equation:

-(-30r+48)



We get rid of parentheses

-8r+30r-48-40=0

We add all the numbers together, and all the variables

22r-88=0

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

22r=88

r=88/22

r=4

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