Answer & Explanation
ANS: 1
EQ 1=> X + X = 6 => 2X = 6 => X = 3
EQ 2=> X + Y = 12 => 3 + Y = 12 => Y = 9
EQ 3=> Y - Z = 7 => 9 - Z = 7 => Z = 2
EQ 4=> X - Z => 3 - 2 =1
EQ 1=> X + X = 6 => 2X = 6 => X = 3
EQ 2=> X + Y = 12 => 3 + Y = 12 => Y = 9
EQ 3=> Y - Z = 7 => 9 - Z = 7 => Z = 2
EQ 4=> X - Z => 3 - 2 =1
