If 2x 3y z = 55, x z –y = 4 and y – x z = 12, then what is the val – McqOptions

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1.	If 2x 3y z = 55, x z –y = 4 and y – x z = 12, then what is the value of y?
A.	8
B.	11
C.	9
D.	12
Answer» C. 9

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