If x = 7, y = 4, z = 9, then which of the following is TRUE?I. x + y + – McqOptions

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1.	If x = 7, y = 4, z = 9, then which of the following is TRUE?I. x + y + z = 20II. x - y + z = 13III. x + y - z = 3IV. -x + y - z = -12A. I and IIB. III and IVC. I and IVD. I and III
A.	A
B.	D
C.	C
D.	B
Answer» D. B

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