4(r-2)=-20

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



4(r-2)=-20

We move all terms to the left:

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

We add all the numbers together, and all the variables

4(r-2)+20=0

We multiply parentheses

4r-8+20=0

We add all the numbers together, and all the variables

4r+12=0

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

4r=-12

r=-12/4

r=-3

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