Respuesta:
65
Explicación paso a paso:
Resolvemos:
x + 2x/5 = 91
(5x + 2x)/5 = 91
5x + 2x = 5(91)
7x = 455
x = 455/7
x = 65
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Respuesta:
65
Explicación paso a paso:
Resolvemos:
x + 2x/5 = 91
(5x + 2x)/5 = 91
5x + 2x = 5(91)
7x = 455
x = 455/7
x = 65