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alainabbyboo22

  • 3 years ago

When solving the system x + 2y = 9 and x - y = 6, which expression could be substituted for x in the second equation?

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  1. alainabbyboo22
    • 3 years ago
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    A. 9 - x B. y - 9/2 C. 9 - 2y D. 1/2 y + 9

  2. RONNCC
    • 3 years ago
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    x - y = 6 x = 6+y x + 2y = 9 x = 9-2y

  3. alainabbyboo22
    • 3 years ago
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    Thanks! :)

  4. RONNCC
    • 3 years ago
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    nom. questions. should be questioned! lol. I'm kidding. do you understand why? understanding means you can do 100's of these whereas posting 100's of these is hard to respond to o_o

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