Respuesta :

Answer:

x is 2.25 and y is 1

Step-by-step explanation:

-18*2.25 = -8

20*1 = 20

-8 + 20 = 12

-9*2.25 = 4

10*1 = 10

-4 + 10 = 6

so

X = 2.25

Y = 1