75.4=6.28*r

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Solution for 75.4=6.28*r equation: 



75.4=6.28r

We move all terms to the left:

75.4-(6.28r)=0

We add all the numbers together, and all the variables

-(+6.28r)+75.4=0

We get rid of parentheses

-6.28r+75.4=0

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

-6.28r=-75.4

r=-75.4/-6.28

r=12+0.040000000000006/6.28

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