![](https://images.gutefrage.net/media/default/user/14_nmmslarge.png?v=1551279448000)
![](https://images.gutefrage.net/media/user/DerVERSCHENKER/1452525349933_nmmslarge.jpg?v=1452525352000)
Antwort
7x+19 =12x-1 |-7x
19 = 5x-1 |+1
20 = 5x |:5
4 = X
Aufgabe fertisch :)
7x+19 =12x-1 |-7x
19 = 5x-1 |+1
20 = 5x |:5
4 = X
Aufgabe fertisch :)