GMAT Practice Question Set #29 (Question 85-87)

Problem Solving Question #86: Basic Algebraic Expression  
Time 0 0 : 0 0 : 0 0

If n + xy = n and x is not equal to 0, which of the following must be true?

(A)

x > y

(B)

x + y =0

(C)

y = 0

(D)

x - y = 0

(E)

xy = 1

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