Question

I5x-8I = Ix+4I
Помогите. найти корни..

Answer 1

1) 5x - 8 = x + 4

4x = 12

x = 3

проверим: |15-8| = |3+4|

|7| = |7| - верно

2) 5x - 8 = -x - 4

6x = 4

x = 2/3

проверим

|10/3 - 24/3| = |2/3 + 12/3|

|-14/3| = |14/3| - верно

Ответ: 2/3 и 3