SOLUTION: If x-9:3x+6 is the duplicate ratio of 4:9, find x.

SOLUTION: If x-9:3x+6 is the duplicate ratio of 4:9, find x.

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Question 1089964: If x-9:3x+6 is the duplicate ratio of 4:9, find x.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

Take it from there.

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