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Abid3127

solving linear equation -7/8=-5/6z

  • one year ago
  • one year ago

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  1. geerky42
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    Divide both sides by -5/6 to isolate z.

    • one year ago
  2. Abid3127
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    i tried but i got way different answer then book

    • one year ago
  3. geerky42
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    Can you show me your work?

    • one year ago
  4. Abid3127
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    -0.875*0.833=z 0.729=z

    • one year ago
  5. geerky42
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    Let me show you. \[-\dfrac{7}{8} = -\dfrac{5}{6}z\]Divide both sides by \(-\dfrac{5}{6}\). \[\dfrac{-\dfrac{7}{8}}{-\dfrac{5}{6}} = \dfrac{-\dfrac{5}{6}z}{-\dfrac{5}{6}}\] \[\dfrac{-\dfrac{7}{8}}{-\dfrac{5}{6}} = z\] Is this clear?

    • one year ago
  6. Abid3127
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    but how the answer is 21/20

    • one year ago
  7. Abid3127
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    now i got it -7/8*6/5=z z=42/40 or 21/20

    • one year ago
  8. geerky42
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    Glad you got it.

    • one year ago
  9. Abid3127
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    thanks greeky42

    • one year ago
  10. geerky42
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    You're welcome.

    • one year ago
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