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mollyann Group Title

Translate the problem situation to a system of equations. Do not solve. The difference between two numbers is 1. Three times the smaller number plus the larger number is 29. What are the numbers? A. x - y = 1; x + 3z = 29 B. x - y = 1; 3x + y = 29 C. x - y = 1; x + 3y = 29 D. x + y = 1; x + 3y = 29

  • one year ago
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  1. PhoenixFire Group Title
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    What do you think the first one is? "Difference between two numbers is 1"

    • one year ago
  2. terminallychill Group Title
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    its B

    • one year ago
  3. PhoenixFire Group Title
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    @terminallychill It's not B... And don't give out the answer.

    • one year ago
  4. mollyann Group Title
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    its A

    • one year ago
  5. PhoenixFire Group Title
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    @mollyann It's not A either.

    • one year ago
  6. PhoenixFire Group Title
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    Answer my question. Difference between two numbers is 1. What's the equation?

    • one year ago
  7. terminallychill Group Title
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    definitely D

    • one year ago
  8. mollyann Group Title
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    yea its D

    • one year ago
  9. PhoenixFire Group Title
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    @terminallychill It's not D. Not I've given the answer.. It's C

    • one year ago
  10. terminallychill Group Title
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    \m/

    • one year ago
  11. PhoenixFire Group Title
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    Difference between two number is 1: x-y=1... The smaller number is y. 3 times the smaller number + the larger number is 29.: x+3y=29

    • one year ago
  12. PhoenixFire Group Title
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    y is the smaller number because x - y > 0 if y < x x - y < 0 if y > x

    • one year ago
  13. mollyann Group Title
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    its not C

    • one year ago
  14. mollyann Group Title
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    my test said thats wrong

    • one year ago
  15. PhoenixFire Group Title
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    Show me your test... there's only two variables. x and y. from that you know A is wrong as it includes a z. It wants a difference between two numbers, so it's x-y. This rules out D as x+y is not a difference. 3 times the SMALLER number. this is in C as y is LESS THAN x for the difference x-y=1

    • one year ago
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