Question 847820
x + y + z = 345
x + y = z + 77
z = x - 38


Substitute the second equation into the first.


(x + y) + z = 345
z + 77 + z = 345
2z = 268
z = 134


134 = x - 38 ----> x = 172


172 + y + 134 = 345
y = 39


integers: (x, y, z) = (172, 39, 134)