Реши уравнения .82-12-х =17

Question

Реши уравнения .82-12-х =17

Answer 1

82 - 12 - x = 17
70 - x = 17
- x= 17 - 70
- x = - 53
x = 53

Answer 2

82-12-х=17
70-х=17
х=70-17
х=53