Answer & Explanation
ANS: 14
EQ 1=> X + X = 10 => 2X = 10 => X = 5
EQ 2=> X + Y = 12 => 5 + Y = 12 => Y = 7
EQ 3=> Y - Z = 3 => 7 - Z = 3 => Z = 4
EQ 4=> Z + 2X => 4 + 2(5) = 14
EQ 1=> X + X = 10 => 2X = 10 => X = 5
EQ 2=> X + Y = 12 => 5 + Y = 12 => Y = 7
EQ 3=> Y - Z = 3 => 7 - Z = 3 => Z = 4
EQ 4=> Z + 2X => 4 + 2(5) = 14
