4(2-5r)=8-20r

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Solution for 4(2-5r)=8-20r equation: 



4(2-5r)=8-20r

We move all terms to the left:

4(2-5r)-(8-20r)=0

We add all the numbers together, and all the variables

4(-5r+2)-(-20r+8)=0

We multiply parentheses

-20r-(-20r+8)+8=0

We get rid of parentheses

-20r+20r-8+8=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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