-4(r+5)-2(2+3r)=r-3r

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Solution for -4(r+5)-2(2+3r)=r-3r equation: 



-4(r+5)-2(2+3r)=r-3r

We move all terms to the left:

-4(r+5)-2(2+3r)-(r-3r)=0

We add all the numbers together, and all the variables

-4(r+5)-2(3r+2)-(-2r)=0

We multiply parentheses

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

We get rid of parentheses

-4r-6r+2r-20-4=0

We add all the numbers together, and all the variables

-8r-24=0

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

-8r=24

r=24/-8

r=-3

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