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careless850 Group Title

Solve for x in the proportion

  • 2 years ago
  • 2 years ago

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  1. careless850 Group Title
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    \[ \frac {3x}{3x-36} = \frac {-1}{x}\]

    • 2 years ago
  2. sugargurl Group Title
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    |dw:1340048726591:dw|

    • 2 years ago
  3. careless850 Group Title
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    Nope.

    • 2 years ago
  4. careless850 Group Title
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    it has to be one of these. x = 3 and x = −4 x = −3 and x = 4 x = −3 x = −12

    • 2 years ago
  5. mkbeitz Group Title
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    I believe they are right to a point. x(x+1)=12 then set it equal to zero and factor to get the answeres 3 and -4 x^2 + x -12 = 0

    • 2 years ago
  6. sugargurl Group Title
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    ok rite @mkbeitz and @careless850 thank u so much for correcting me i have just done a step wrong..:)

    • 2 years ago
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