Question

4. x - y + z = 1
x - 2y + 4z = 3
x - 3y + 9z = 27​

Answer 1

Answer:

x-y+z=1

x-2y+4z=3

x-3y+9z=27

so,x-1+y-3+z-27

0+2+26

28 is the answer.