1) -4y-5z=-6 z=4x-2y-8 r = −2x + 3 2) -2r-s-1=-15 S=r-6 1=2s +3

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Q: X Y 0 1 1 2 -3 3 -5 4 -7 5 -9

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Q: Which matrix has an inverse? O A. О в. O C. O D. [2] -2 8 16 6 T❤ 3] -1 4 9 [11 4 3 1 9] 8 7

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