Number game – Horse + Cat + Hen ?

Answer: 88

Solution:
From Equation 1: 3Hen = 6 => 1Hen = 2

From Equation 2: Cat + Hen = 7

=> Cat = 7 – Hen = 7 – 2 = 5

From Equation 3: Horse – Cat = 76 => Horse = 76 + Cat = 76 + 5 = 81

Thus Horse + Cat + Hen = 81 + 5 + 2 = 88