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f+18 = 2(h+18)
f = 4h-32+8 = 4h-24
4h-24+18 = 2h+36
4h-2h = 36+24-18
2h = 42
h = 42/2
h = 21
f = 4h-24
f = (4*21) - 24
f = 84 - 24
f = 60
comprobación:
f+18 = 2(h+18)
60+18 = 2(21+18)
78 = 2*39
Respuesta:
Fabiola: 60 años
Hija: 21 años