Respuesta :

soyang5556
I don't know whether it is right or wrong but i tried my best.
obinnasteven863

Answer:

y+4(-1)=11

y=11+4

y=15.

ii)y+4(0)=11

y=11

ii)y+4(3)=11

y=11-12

y=-1

when y=1

1+4x=11

4x=11+1

4x=12

x=3