Respuesta :
Answer:
So -1-9= -10
And if x =4 then 2(4)-4y=20
Y= -3
Step-by-step explanation:
2(4)-4y=20
8-4y=20
-4y=12
y=-3
Answer:
-1 - 9 = -10 &
y = -3
Step-by-step explanation:
2x - 4y = 20
2(4) - 4y = 20
8 - 4y = 20
-4y = 12
y = -3
good luck, i hope this helps :)