05niyajose
05niyajose 05niyajose
  • 11-02-2021
  • Mathematics
contestada

Given that 3x – 8y = 39
Find y when x = 3
Give your answer as an improper fraction in its simplest form.​

Respuesta :

jimrgrant1 jimrgrant1
  • 11-02-2021

Answer:

- [tex]\frac{15}{4}[/tex]

Step-by-step explanation:

Given

3x - 8y = 39 ← substitute x = 3 into the equation

3(3) - 8y = 39

9 - 8y = 39 ( subtract 9 from both sides )

- 8y = 30 ( divide both sides by - 8 )

y = [tex]\frac{30}{-8}[/tex] = - [tex]\frac{15}{4}[/tex]

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