Решение:
x + 2\(\frac{4}{13}\) = 10\(\frac{2}{13}\)
x = 10\(\frac{2}{13}\) - 2\(\frac{4}{13}\)
x = 9\(\frac{15}{13}\) - 2\(\frac{4}{13}\)
x = 7\(\frac{11}{13}\)
Ответ: x = 7\(\frac{11}{13}\)