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waheguru

  • 2 years ago

Is is true when one part of a fraction is negative the whole fraction becomes negative

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  1. waheguru
    • 2 years ago
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    \[60/-12 = 5? or -5 \]

  2. UnkleRhaukus
    • 2 years ago
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    \[\frac {-a}b=\frac{a}{-b}=-\frac ab\]

  3. waheguru
    • 2 years ago
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    This is from the equation −3(4r − 8) = −36 I am getting -5 but the real answer is 5 ?

  4. UnkleRhaukus
    • 2 years ago
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    \[−3(4r − 8) = −36 \] \[4r − 8 = \frac{−36}{-3} \]

  5. UnkleRhaukus
    • 2 years ago
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    \[\frac {-a}{-b}=\frac{a}{b}\]

  6. waheguru
    • 2 years ago
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    Rather than that step...

  7. waheguru
    • 2 years ago
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    Cant I distrubute the -3 and get -12r+24=-36

  8. UnkleRhaukus
    • 2 years ago
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    that way will work too

  9. waheguru
    • 2 years ago
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    So how Do I get 5 rather than -5

  10. UnkleRhaukus
    • 2 years ago
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    using the distributive method the next step would be to get the constants of one side

  11. waheguru
    • 2 years ago
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    yea I have ...

  12. waheguru
    • 2 years ago
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    -12r = 60

  13. waheguru
    • 2 years ago
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    and then ...

  14. waheguru
    • 2 years ago
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    r = 60/-12 r= -5?

  15. UnkleRhaukus
    • 2 years ago
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    -12r = -60

  16. waheguru
    • 2 years ago
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    -60?

  17. waheguru
    • 2 years ago
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    yea yout correct

  18. UnkleRhaukus
    • 2 years ago
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    you took 24 away from both sides

  19. waheguru
    • 2 years ago
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    then its r=-60/-12 and ots r=5

  20. waheguru
    • 2 years ago
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    Thanks!

  21. UnkleRhaukus
    • 2 years ago
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    that is right \[ \color\red\checkmark \]

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