Respuesta: 6
Explicación paso a paso:
5(3+b) / 3 = 15
15 + 5b / 3 = 15
15 + 5b = 15(3)
15 + 5b = 45
5b = 45 - 15
5b = 30
b = 30/5
b = 6
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Respuesta: 6
Explicación paso a paso:
5(3+b) / 3 = 15
15 + 5b / 3 = 15
15 + 5b = 15(3)
15 + 5b = 45
5b = 45 - 15
5b = 30
b = 30/5
b = 6