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samantha13

  • 3 years ago

Solve for y

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  1. samantha13
    • 3 years ago
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    |dw:1353084189037:dw|

  2. samantha13
    • 3 years ago
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    @ajprincess i need help

  3. ajprincess
    • 3 years ago
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    Cross multiply and plz tell me vat u get?

  4. samantha13
    • 3 years ago
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    i think my answers is 13/5

  5. ajprincess
    • 3 years ago
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    Can u plz show me ur work?

  6. samantha13
    • 3 years ago
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    y+10)/(y+3)= (y+1)/(y-1) To have the same denominator for both fractions, we multiply the first fraction by (y-1) and the second fraction by (y+3) (y-1)(y+10)-(y+1)(y+3) / (y+3) (y-1) Do the multiplications (y^2-y+10y-10-y^2-y-3y-3)/ (y-1) (y+3) Simplify the same terms (5y-13)/(y-1)(y+3

  7. samantha13
    • 3 years ago
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    13/5

  8. ajprincess
    • 3 years ago
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    yup perfect:) Great work:)

  9. samantha13
    • 3 years ago
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    Solve for y:

  10. samantha13
    • 3 years ago
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    |dw:1353084899750:dw|

  11. ajprincess
    • 3 years ago
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    Is this the question? \[\frac{ 3(y+7) }{ 7y }-\frac{ 9y-7 }{ 6 }=\frac{ 7+10 }{ 3y}-\frac{ 2(7y-1) }{ 21}\]

  12. samantha13
    • 3 years ago
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    (3y+21)/(7y)-(4y-7)/6=(7y-10)/(3y)-(14y-… multiply by 42y on both sides 6(3y+21)-7y(4y-7)=14(7y-10)-2y(14y-2) 18y+126-28y^2+49y=98y-140-28y^2+4y 35y=266 y=226/35 y=38/5

  13. samantha13
    • 3 years ago
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    i think -2/5

  14. samantha13
    • 3 years ago
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    yes

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