I am thinking of 3 numbers,if they are added in pairs the result are 38.,44 and 82.find the numbers?

Sagot :

let x be the first number
    y be the second number
    z be the third number
x + y = 38
y + z = 44
x + z = 82 = 44 + 38 = x + y + y + z
x + z = x + y + y + z
x + z = x + 2y + z
x + z - x - z = 2y
0 = 2y
y = 0
x = 38
z = 44
Therefore, the numbers are 38, 0 and 44.