Question

решите уравнение 1/26х+7/13=9/13х+7/39

Answer 1

1/26х + 7/13 = 9/13х + 7/39
1/26х - 9/13х = 7/39 - 7/13
1/26х - 18/26х = 7/39 - 21/39
- 17/26х = - 14/39
х = 28/51

Answer 2

Ответ фоткан.................