Answer & Explanation
ANS: 8
EQ 1=> X + X = 6 => 2X = 6 => X = 3
EQ 2=> X + Y = 4 => 3 + Y = 4 => Y = 1
EQ 3=> Z + Y = 6 => Z + 1 = 6 => Z = 5
EQ 4=> X + Z = 3 + 5 = 8
EQ 1=> X + X = 6 => 2X = 6 => X = 3
EQ 2=> X + Y = 4 => 3 + Y = 4 => Y = 1
EQ 3=> Z + Y = 6 => Z + 1 = 6 => Z = 5
EQ 4=> X + Z = 3 + 5 = 8
