2*3.14r=45

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Solution for 2*3.14r=45 equation: 



2*3.14r=45

We move all terms to the left:

2*3.14r-(45)=0

Wy multiply elements

6r-45=0

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

6r=45

r=45/6

r=7+1/2

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