(Х-12)•11=77 Помогите

Question

(Х-12)•11=77

Помогите

Answer 1

11x-132=77
11x=77+132
11x=209
x=209/11
x=19

Answer 2

(х-12)*11=77
х-12=77/11
х-12=7
х=7+12
х=19
(19-12)*11=77