Respuesta :

Answer:

y = 9

Step-by-step explanation:

Given

- 7x + 2y = 4 ← substitute x = 2 into the equation

- 7(2) + 2y = 4

- 14 + 2y = 4 ( add 14 to both sides )

2y = 18 ( divide both sides by 2 )

y = 9

Solution is x = 2, y = 9