Answer & Explanation
ANS: 8
EQ 1=> X + X = 4 => 2X = 4 => X = 2
EQ 2=> Y – X = 8 => Y – 2 = 8 => Y = 10
EQ 3=> Z + Y = 16 => Z + 10 = 16 => Z = 6
EQ 4=> Z + X => 6 + 2 = 8
EQ 1=> X + X = 4 => 2X = 4 => X = 2
EQ 2=> Y – X = 8 => Y – 2 = 8 => Y = 10
EQ 3=> Z + Y = 16 => Z + 10 = 16 => Z = 6
EQ 4=> Z + X => 6 + 2 = 8
