3(7-2)=21r-6

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



3(7-2)=21r-6

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(21r-6)+35=0

We get rid of parentheses

-21r+6+35=0

We add all the numbers together, and all the variables

-21r+41=0

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

-21r=-41

r=-41/-21

r=1+20/21

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