SITUACIÓN 9: (Serie de razones geométricas equivalentes) Si a/7 = b/3 y a - b = 36, hallar el valor de "a"
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Respuesta:
Explicación paso a paso:
x × 3 = (x-36) × 7
3x = 7 - 252
3x - 7x = -252
-4x = -252
x = 63
a= 63
b = 63 - 36 = 27
63/ 7 = 27/3
EL VALOR DE a = 63