If `[[x+y+z],[x+z],[y+z]]`=`[[9],[5],[7]]` ,then the value of `x-y+z` is

If [[x-y-z] , [-y+z] , [z]] = [[0], [5] , [3]] then find the values of x, y and z

If [(x-y-z),(-y+z),(z)]=[(0),(5),(3)] then the values of x,y and z are respectively

If x + y = 5, y + z = 7, z + x = 6, then the value of x, y and z are

if 2x+3y-3z=0;5x-2y+2z=19;x+7y-5z=5. Then the value of x+y-z is

If x, y, z are in H.P., then the value of (x+y)/(y-x)+(y+z)/(y-z) is

If [{:(x-y," "2y),(2y+z,x+y):}]=[{:(1,4),(9,5):}] then write the value of (x+y+z) .

If x, y and z are three non-zero numbers such that x + y le z -x, y + z le x -y and z + x le y -z , the maximum value of x + y + z is __________.