(60-41)+a=92 Уравнение

Question

(60-41)+a=92
Уравнение

Answer 1

(60-41)+а=92
19+а=92
а=92-19
а=73
(60-41)+73=92
92=92

Answer 2

(60-41)+a=92;
19+a=92;
a=92-19;
a=73.