Задача Задача №3583311
А
А
Solution: a = 25
Reason: Add 10 to both sides: a - 10 + 10 = 15 + 10 → a = 25. Check: 25 - 10 = 15, which is correct.
Solution: a = 25
Reason: Add 10 to both sides: a - 10 + 10 = 15 + 10 → a = 25. Check: 25 - 10 = 15, which is correct.