emmzy1
emmzy1 emmzy1
  • 13-05-2021
  • Mathematics
contestada

Given that 3x - 8y = 28
Find y when x = 9
Give your answer as a fraction in its simplest form

Respuesta :

ameliak2024
ameliak2024 ameliak2024
  • 13-05-2021

Answer:

y = -1/8

Step-by-step explanation:

substitute 9 in for x in the equation

3(9) - 8y = 28

27 - 8y = 28

-27 from both sides to get

-8y = 1

divide both sides by -8

y = -1/8

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