(x - 1) / 4 - (x - 5) / 36 = (x + 5) / 9?
(x - 1) / 4 - (x - 5) / 36 = (x + 5) / 9.
(x - 1) / 4 - (x - 5) / 36 = (x + 5) / 9.
En resumen
<img src="https://tex.z-dn.net/?
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