X = 20
First, you move the 40 to the other side.
-2x=-40
Then, you divided -40 by -2.
x= -40/-2
x= 20
x is 20 because the negatives cancel out making it positive.
<span>You first need to calculate the circumference as that will give you the distance in one revolution.
Then you multiply the answer you get by 8
Circumference = pi*diameter = 22pi 8 revolutions = 8*22*pi = 176pi
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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B because if you simplify 9/15 by 3 you have 3/5
