Danrek
Danrek Danrek
  • 22-01-2016
  • Mathematics
contestada

Find y.

5x-3y=21

(Explanation would be helpful too.)

Respuesta :

Аноним Аноним
  • 22-01-2016
here is a possible answer:

x=9 (5x = 45)
y=8 (3y=24)

Subtract 24 from 45 and you get 21; this is how you check to make sure your answer is correct–by finding x

so, y = 24
 I just used the guess and check strategy to get my answer


please mark as brainliest or give good rating if this helped you. I hope it did!
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