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amberlovvesyou

  • 3 years ago

Can you help me solve this problem,and Explain it to me (: -2/5x - 9 < 9/10

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  1. ajprincess
    • 3 years ago
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    Is this ur question? \[-\frac{ 2 }{ 5 }x-9<\frac{ 9 }{ 10}\]

  2. amberlovvesyou
    • 3 years ago
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    Yes :)

  3. jiteshmeghwal9
    • 3 years ago
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    \[\frac{-2(x)}{5}-9<\frac{9}{10}\]

  4. jiteshmeghwal9
    • 3 years ago
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    \[{-2x-45\over5}<\frac{9}{10}\]

  5. jiteshmeghwal9
    • 3 years ago
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    \[10(-2x-45)<9(5)\]

  6. jiteshmeghwal9
    • 3 years ago
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    \[-20x-450<45\]

  7. jiteshmeghwal9
    • 3 years ago
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    Now add 450 both sides & then divide -20 both sides :)

  8. ajprincess
    • 3 years ago
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    Nw to solve this inequality u hav to isolate x. To do that plz perform the following steps. 1.Add 9 to both sides. 2.Multiply both sides by 5. 3.Divide by -2 both sides. When u divide by a negative number the inequality sign flips. see if u can do it:)

  9. jiteshmeghwal9
    • 3 years ago
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    The last point of @ajprincess is very correct in inequality if we divide a negative number the inequality sign flips :)

  10. amberlovvesyou
    • 3 years ago
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    x > -99/4 ?

  11. ajprincess
    • 3 years ago
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    yup perfect:)

  12. amberlovvesyou
    • 3 years ago
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    :D yay! Thanks :)

  13. ajprincess
    • 3 years ago
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    welcome:) nd gud work:)

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