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x+y=368
x-y=94
sumando ambas ecuaciones se obtiene:
2x=368+94=462
es decir:
x=231
luego y=368-231=137
Los números son 231 y 137
=> x + y = 368
=> x - y = 94
____________
2x = 462
x = 462/2
x = 231
=> x - y = 94
231 - y = 94
231 - 94 = y
137 = y
los números son 231 y 137