94.2=2(3.14)r

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Solution for 94.2=2(3.14)r equation:



94.2=2(3.14)r
We move all terms to the left:
94.2-(2(3.14)r)=0
We calculate terms in parentheses: -(2(3.14)r), so:
2(3.14)r
We multiply parentheses
6.28r
Back to the equation:
-(6.28r)
We add all the numbers together, and all the variables
-(+6.28r)+94.2=0
We get rid of parentheses
-6.28r+94.2=0
We move all terms containing r to the left, all other terms to the right
-6.28r=-94.2
r=-94.2/-6.28
r=+15

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