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5x= 75
x=75/5
x= 15
2(15) 3(15)
30 45
Rpta: Los números son: 30 y 45
A= 2k
B = 3k
A+B = 75
2k+3k = 75
5k = 75
k = 15
A= 2k =2(15) = 30
B = 3k = 3(15) = 45