Question

1/5*x =1/3*2x решите уравнение

Answer 1

1/5 * х = 1/3 * 2х
1/5х - 2/3х = 0
3/15х - 10/15х = 0
- 7/15х = 0
х = 0 : (-7/15)
х = 0
----------------------
Проверка: 1/5 * 0 = 1/3 * 2 * 0
                   0 = 0