
Respuesta :
AB + BC = AC
3y - 1 + 7y = 29
10y - 1 = 29
10y = 29 + 1 = 30
y = 30/10 = 3
AB = 3(3) - 1 = 9 - 1 = 8
3y - 1 + 7y = 29
10y - 1 = 29
10y = 29 + 1 = 30
y = 30/10 = 3
AB = 3(3) - 1 = 9 - 1 = 8
i gotchu .
Answer:
AB = 3(3) - 1 = 9 - 1 = 8
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