Answer & Explanation
ANS: 7
EQ 1=> X + X = 10 => 2X = 10 => X = 5
EQ 2=> X + Y = 6 => 5 + Y = 6 => Y = 1
EQ 3 => Y + Z = 3 => 1 + Z = 3 => Z = 2
EQ 4=> Z + X => 2 + 5 = 7
EQ 1=> X + X = 10 => 2X = 10 => X = 5
EQ 2=> X + Y = 6 => 5 + Y = 6 => Y = 1
EQ 3 => Y + Z = 3 => 1 + Z = 3 => Z = 2
EQ 4=> Z + X => 2 + 5 = 7
