La suma de las edades de A y B es 76 años y B biene 6años menos que A. Hallar ambas edades es?
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B = X
A+B = 76
X+6 + X = 76
2X = 76-6
2X = 70
X = 70/2
X = 35
A = X+5 = 35+5 = 40
B = X = 35