Х + 15 = 62 73 – Х = 35
1. Х = 62 - 15 = 47
2. Х = 73 - 35 = 38
Х + 15 = 62
Х = 62 - 15
Х = 47
47 + 15 = 62
62 = 62
73 – Х = 35
Х = 73 - 35
Х = 38
73 - 38 = 35
35 = 35