SOLUTION: Three years from now, Judith will be y years old. How old was she 4 years ago?

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Question 642938: Three years from now, Judith will be y years old. How old was she 4 years ago?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Her age now is +y+-+3+
4 years ago, her age was
+y+-+3+-+4+=+y+-+7+