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12-09-2019
Mathematics

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The following system has a solution: x= 10,y=-3,z = 14
3x + 7y-z= -5
9x-y-4z = 17
5x - 12y-z=0

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16-09-2019

Answer:

3x + 7y - z = -5

Step-by-step explanation:

[tex]3(10) + 7(-3) - 14 = -5 \\ \\ 30 - 21 - 14 = -5[/tex]

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