waveyyzyra waveyyzyra
  • 23-02-2020
  • Mathematics
contestada

make r the subect of the formula t=r/r-3

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jdoe0001 jdoe0001
  • 23-02-2020

[tex]\bf t = \cfrac{r}{r-3}\implies t(r-3)=r\implies \stackrel{\textit{distributing}}{tr-3t}=r\implies -3t=r-tr \\\\\\ -3=\stackrel{\textit{common factor}}{r(1-t)}\implies \cfrac{-3}{1-t}=r[/tex]

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