4804203670 4804203670
  • 18-09-2021
  • Mathematics
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please help i don’t understand

please help i dont understand class=

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Happil
Happil Happil
  • 18-09-2021

Rewriting Equations

Answer:

[tex]y = \frac{bfm}{km -f}\\[/tex]

Step-by-step explanation:

Solving [tex]ky -bf = \frac{fy}{m}\\[/tex] for [tex]y[/tex]:

[tex]ky -bf = \frac{fy}{m} \\ (ky -bf) \cdot m = \frac{fy}{m} \cdot m \\ kym -bfm = fy \\ kym -bfm +bfm = fy +bfm \\ kym = fy +bfm \\ kym -fy = fy +bfm -fy \\ kym -fy = bfm \\ y(km -f) = bfm \\ \frac{y(km -f)}{km -f} = \frac{bfm}{km -f} \\ y = \frac{bfm}{km -f}[/tex]

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