4(3r-2)=-3r-21

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Solution for 4(3r-2)=-3r-21 equation: 



4(3r-2)=-3r-21

We move all terms to the left:

4(3r-2)-(-3r-21)=0

We multiply parentheses

12r-(-3r-21)-8=0

We get rid of parentheses

12r+3r+21-8=0

We add all the numbers together, and all the variables

15r+13=0

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

15r=-13

r=-13/15

r=-13/15

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