2(3.14)(r)=94.2

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Solution for 2(3.14)(r)=94.2 equation: 



2(3.14)(r)=94.2

We move all terms to the left:

2(3.14)(r)-(94.2)=0

We add all the numbers together, and all the variables

2(3.14)r-94.2=0

We multiply 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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