Question

х/3+3х/54-х/15
5-х/2-х/4=х+х/3
помогите... с объяснением...

Answer 1

x/3 + 3x/54 - x/15
3x/54 = x/18
x/3 + x/18 = 7x/18
7x/18 - x/15 = 29x/90

5 - x/2 - x/4 = x + x/3
-x/2 - x/4 = -3x/4
-3x/4 - x = -7x/4
-7x/4 - x/3 = -25x/12 
5 -  25x/12 = 0
25x/12 = 5
x = 5/12