Question 685719
x/4 < {(5x-2)/3}-{(7x-3)/5}
or 15x<20(5x-2)-12(7x-3) multiplying 60 the LCM of 3,4,5 
or 15x<100x-200-84x+36
or 15x<16x-164
or 164<x by adding 164-15x on both sides
so the solution is x>164
ans