Respuesta :

1/1 + (5a-8x)/6a - (9a+5x)/3a

6a/6a + (5a-8x)/6a - (18a+10x)/6a

6a + (5a-8x) - (18a + 10x)/ 6a

6a + 5a - 8x - 18a - 10x / 6a

-7a - 18x / 6a (answer)

Hope this helps