SOLUTION: 3/7 of what number is 9.. and how do you get that answer?

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Question 697472: 3/7 of what number is 9.. and how do you get that answer?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

%283%2F7%29x+=+9

3x+=+9%2A7

3x+=+63
x+=+63%2F3
x+=+21
so, if you divide 21 by 7 you got that 1%2F7 of 21 is 3, then 3%2F7 will be 3%2A3=9