Question

find x:y:z from the following. i)x-2y+z=0, x+y=0
ii) 1/x:1/y:1/z if x:y:z=3:2:7.​

Answer 1

Step-by-step explanation:

i)×-2y+z=0

×=2y-z

y-z=1/2

x+y=0