Решите уравнение 2 1/9+z=38/9

Question

Решите уравнение 2 1/9+z=38/9

Answer 1

21/9+z=38/9
z=38/9-21/9
z=17/9

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Answer 2

2 1/9+z=39/9
19/9+z=39/9
z=39/9-19/9
z=20/9
z = 2 2/9