SOLUTION: If f(x) = x^2 = x + 1, find the sum of all number y that satisfies f(2y) =2.

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Question 1017797: If f(x) = x^2 = x + 1, find the sum of all number y that satisfies f(2y) =2.
Answer by ikleyn(52790) About Me  (Show Source):
You can put this solution on YOUR website!
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Fix (repair) the error and resubmit.

The error is in the second "=" sign.