y = -20 + 4 If z = 3.5, then y= y=-11 liz = -1, then y (Write your answer as a de z+y=1 lfz=0 then y 21 - y=5 l z= 4 then y PLEASE DETERMINE. THE VALUE OF X​

y 20 4 If z 35 then y y11 liz 1 then y Write your answer as a de zy1 lfz0 then y 21 y5 l z 4 then y PLEASE DETERMINE THE VALUE OF X class=