3(7r-2)=21-6

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Solution for 3(7r-2)=21-6 equation: 



3(7r-2)=21-6

We move all terms to the left:

3(7r-2)-(21-6)=0

We add all the numbers together, and all the variables

3(7r-2)-15=0

We multiply parentheses

21r-6-15=0

We add all the numbers together, and all the variables

21r-21=0

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

21r=21

r=21/21

r=1

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