RoselynFernandez
RoselynFernandez RoselynFernandez
  • 10-12-2020
  • Geography
contestada

9. Subtract r+9/r-4 from 3r+1/r-4
show your solution

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umairkazi924
umairkazi924 umairkazi924
  • 17-12-2020

[tex]3r + \frac{1}{r} - 4 - (r + \frac{9}{r} - 4)[/tex]

[tex]3r + \frac{1}{r} - 4 - r - \frac{9}{r} + 4[/tex]

[tex](3r - r) + ( \frac{1}{r} - \frac{9}{r} ) + ( - 4 + 4)[/tex]

[tex]2r - \frac{8}{r} [/tex]

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