Respuesta :

x= 6 y=9 and the last one is -40 i believe. the middle ones i'm not sure of

Answer:

i) x = 6 and y = 9

ii) x = 10 and y = 5

iii) x = 9 and y = 10

not entirely sure about the last one

Step-by-step explanation:

not sure how to explain but trust