Respuesta :

jayappleby230

Answer:

which grade is that u are doing?

Answer:

x=4/11

y=9 1/11

Step-by-step explanation:

y = 3x+8

5x + 2y =20

5x + 2 (3x+8) =20  .. substitute y

5x + 6x +16 = 20

11x = 20-16 = 4

x = 4/11

Y = 3*4/11 + 8 = 1 1/11 + 8 = 9 1/11