Question

Vă rog! ! ! ! ! ! ! ! !

Answer 1

x-1/2 + x-1/3 + x-1/4 =2  | * 12

12 * x-1/2 + 12 * x-1/3 + 12 * x-1/4 = 12 * 2

6(x-1) + 4(x-1) + 3(x-1) = 24

6x - 6 + 3x - 4 + 3x - 3 + 24

13x - 13 + 24

13x + 24 + 13

13 x = 37      | : 13

x = 37/13

* = inmultire :)