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kbmath10

  • 3 years ago

What is the value of y in the solution of this system? 2x-y-z=11 x+y-4z=-1 -x+3y+z=-10 A) -2 B) -1 C) 1 D) 5

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  1. frx
    • 3 years ago
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    A) -2

  2. kbmath10
    • 3 years ago
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    can you explain?

  3. frx
    • 3 years ago
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    It's quite a work so the best way Ithink is for you to watch this video first then come back with questions if there still are any, ok? http://www.youtube.com/watch?v=aPKz7011lAA

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