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3xy=123 x-y=12 2y+z=132 y+z=13 x+4z=33x+4 z=33 A) {(5,3,7)}\{(5,3,-7)\} B) {(10,6,14)}\{(10,6,14)\} C) {(5,3,7)}\{(5,3,7)\} D) {(5,3,7)}\{(-5,-3,-7)\}

Question 19

Multiple Choice

3xy=123 x-y=12
2y+z=132 y+z=13
x+4z=33x+4 z=33


A) {(5,3,7) }\{(5,3,-7) \}
B) {(10,6,14) }\{(10,6,14) \}
C) {(5,3,7) }\{(5,3,7) \}
D) {(5,3,7) }\{(-5,-3,-7) \}

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