SOLUTION: 1)What is the inverse element of 7 under the binary operation "X" defined on the set of real numbers please i need help solving these problems

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Question 94845: 1)What is the inverse element of 7 under the binary operation "X" defined on the set of real numbers
please i need help solving these problems
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
multiplicative inverse of 7 = 1/7

(7)(1/7) = 1