kevin12333 kevin12333
  • 07-12-2017
  • Mathematics
contestada

What is that value of y in the equation 6.4x + 2.8y =44.4,when x=3

Respuesta :

srahman2
srahman2 srahman2
  • 07-12-2017
The value of y, when x = 3, would be 9.

HERE'S HOW I GOT THAT ANSWER:
When you multiply 6.4 and 3, your would get 19.2. So you would subtract 44.4 and 19.2, and then you would get 25.2. Once you would get that, you would divide 25.2 by 2.8 so you could isolate the y, and once you did that, you would get 9.
Answer Link
604602jf
604602jf 604602jf
  • 07-12-2017
6.4(3) + 2.8y = 44.4       
19.2 + 2.8y = 44.4 
2.8y = 25.2
y = 9
Answer Link

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