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a + b = 149 ....(1)
a
-- = 4 resta 4 ⇒ a= 4 b + 4
b
reemplazamos:
4 b + 4 + b = 149
5 b = 149 - 4
5 b = 145
b = 145/5
b = 29
Si a+ b = 149
a + 29 = 149
a = 120
Respuesta : Los números son 120 y 29