Respuesta:
m = 84
Explicación paso a paso:
m + 1/2 m = 126
3m/2 = 126
3m = 126x2
m = 252/3
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Respuesta:
m = 84
Explicación paso a paso:
m + 1/2 m = 126
3m/2 = 126
3m = 126x2
m = 252/3
m = 84