4r-20=-8(2r+4)-6r

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Solution for 4r-20=-8(2r+4)-6r equation: 



4r-20=-8(2r+4)-6r

We move all terms to the left:

4r-20-(-8(2r+4)-6r)=0



We calculate terms in parentheses: -(-8(2r+4)-6r), so:

-8(2r+4)-6r

We add all the numbers together, and all the variables

-6r-8(2r+4)

We multiply parentheses

-6r-16r-32

We add all the numbers together, and all the variables

-22r-32

Back to the equation:

-(-22r-32)



We get rid of parentheses

4r+22r+32-20=0

We add all the numbers together, and all the variables

26r+12=0

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

26r=-12

r=-12/26

r=-6/13

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