Respuesta :

choixongdong

Answer:

7x + 2y = 4

Step-by-step explanation:

7x + 2y = 4

y = x + 1

Substitute y = x + 1 into  7x + 2y = 4

7x + 2(x + 1) = 4

7x + 2x + 2 = 4

9x + 2 = 4

9x = 2

 x = 2/9

y = 2/9 + 1

y = 2/9 + 9/9

y = 11/9

Answer

(2/9 , 11/9)