8.4=6.28r

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Solution for 8.4=6.28r equation: 



8.4=6.28r

We move all terms to the left:

8.4-(6.28r)=0

We add all the numbers together, and all the variables

-(+6.28r)+8.4=0

We get rid of parentheses

-6.28r+8.4=0

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

-6.28r=-8.4

r=-8.4/-6.28

r=1+1/2.96226415094

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