3(r-4)=8

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Solution for 3(r-4)=8 equation: 



3(r-4)=8

We move all terms to the left:

3(r-4)-(8)=0

We multiply parentheses

3r-12-8=0

We add all the numbers together, and all the variables

3r-20=0

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

3r=20

r=20/3

r=6+2/3

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