SOLUTION: determine the value of x: (3-x):(x+1) = 2:1

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Question 451904: determine the value of x:
(3-x):(x+1) = 2:1
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
%283-x%29%2F%28x%2B1%29+=+2%2F1
==> 3-x = 2(x+1)
==> 3-x = 2x + 2
==> 1 = 3x
==> x = 1/3