Respuesta:
Explicación paso a paso:
3x - x + 28 + 3x - 8 = 100
5x + 20 = 100
5x = 100 - 20
5x = 80
x = 80/5
x = 16
AB = 3(16) - 16 + 28
AB = 60
BC = 3(16) - 8
BC = 40
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Respuesta:
Explicación paso a paso:
3x - x + 28 + 3x - 8 = 100
5x + 20 = 100
5x = 100 - 20
5x = 80
x = 80/5
x = 16
AB = 3(16) - 16 + 28
AB = 60
BC = 3(16) - 8
BC = 40