4(3r+1)=-20

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Solution for 4(3r+1)=-20 equation: 



4(3r+1)=-20

We move all terms to the left:

4(3r+1)-(-20)=0

We add all the numbers together, and all the variables

4(3r+1)+20=0

We multiply parentheses

12r+4+20=0

We add all the numbers together, and all the variables

12r+24=0

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

12r=-24

r=-24/12

r=-2

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