Question

Помогите пж 63*(80-а)=693

Answer 1

63*(80-А) =693 5040 - 63А = 693 63А = 4347 А = 69 

Answer 2

63·(80-а)=693
80-а=693:63
80-а=11
а=80-11
а=69
63·(80-69)=693