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waheguru

I have a equavolent linear system but the question is asking me a) how is equation 3 obtained from equations 1 and 2 equation 1 y=2x equation 2 y=6-x equation 3 2y=x+6

  • one year ago
  • one year ago

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  1. waheguru
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    What am I supposed to be doing here?

    • one year ago
  2. whpalmer4
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    Have you considered what happens if you combine them by adding or subtracting?

    • one year ago
  3. waheguru
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    but how do I add two equations? thats what the answrs have but I dont really get it

    • one year ago
  4. whpalmer4
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    Just like this: y = 2x y = 6 -x -----------

    • one year ago
  5. waheguru
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    Thanks!

    • one year ago
  6. whpalmer4
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    It's too simple, right? :-)

    • one year ago
  7. waheguru
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    yea

    • one year ago
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