3(r-6)=30

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Solution for 3(r-6)=30 equation: 



3(r-6)=30

We move all terms to the left:

3(r-6)-(30)=0

We multiply parentheses

3r-18-30=0

We add all the numbers together, and all the variables

3r-48=0

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

3r=48

r=48/3

r=16

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