Question

Решите уравнения ПРОШУУУУУ

Answer 1

2 1/7 а + 3 9/14 а = 11 1/7 - 1 1/21 - 2 3/14
2 2/14а + 3 9/14 а = 11 6/42 - 1 2/42 - 2 9/42
5 11/14 а = 10 4/42 - 2 9/42
5 11/14 а = 9 46/42 - 2 9/42
5 11/14 а = 7 37/42
81а/14 = 331/42
а = 331/42 : 81/14
а = 331/243
а = 1 88/243

Answer 2

Спасибо огромное❤