entrainted
entrainted entrainted
  • 03-04-2018
  • Mathematics
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Solve the proportion. Please explain how you managed to get the answer! I don't know how to get there!

Solve the proportion Please explain how you managed to get the answer I dont know how to get there class=

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Bladerunner1976
Bladerunner1976 Bladerunner1976
  • 03-04-2018
All you need to do is cross multiply and then solve for x
[tex] \frac{8}{x+9} = \frac{2}{x-3} \\ 8(x-3)=2(x+9) \\ 8x-24=2x+18 \\ 6x-24=18 \\ 6x=42 \\ x=7[/tex]
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MS2001 MS2001
  • 03-04-2018
See the attachment.
Ver imagen MS2001
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