xyz - 2x - 2y - 2z = 0
find the sum of all possible values of z
x is less than or equal to y which is less than or equal to z
x, y, z are all positive integers
I believe that one answer is x = 1 y = 4 z = 5.
Another answer is x = 1 y = 3 z = 8.
Very nice, geno.....!!!
