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3x+3y+z=13 x+3 y+z=1 4x−5y−z=−284 x-5 y-z=-28 3x+y+3z=−33 \mathrm{x}+\mathrm{y}+3 \mathrm{z}=-3 A) {(−3,1,3)}\{(-3,1,3)\}

Question 134

Multiple Choice

3x+3y+z=13 x+3 y+z=1
4x−5y−z=−284 x-5 y-z=-28
3x+y+3z=−33 \mathrm{x}+\mathrm{y}+3 \mathrm{z}=-3


A) {(−3,1,3) }\{(-3,1,3) \}
B) {(3,−3,1) }\{(3,-3,1) \}
C) {(1,3,−3) }\{(1,3,-3) \}
D) {(−3,3,1) }\{(-3,3,1) \}

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