Question

x+x+x=60,x+y+y=30,y-z=3,z+yx=?

x+x+x=60,x+y+y=30,y-z=3,z+yx=?

Answer 1

x +x+ x=60,x=20

x+ y+ y=30,y=(30-20)/2=5

y-z=3,z=y-3=2

z +xy=2+20*5=102

Answer 2

x = 20
y = 5
z = 2

z + y * x = 102

Answer 3

x=20 y=5 z=2 z+yx=102