Statement -I : The solution of the equations $x-y+3z=5,4x+2y-z=0,-x+3y+z=5$ is $x=0,y=1,z=2$

Statement - II: The solution of the equations $2x-y+3z=9,x+y+z=6,x-y+z=2$ is $x=0,y=2,z=1$

Then which of the above statement(s) is true?

• A

  only I is true      

• B

  only II is true

• C

  Both I, II are true

• D

  Neither I nor II are true