7. Решите уравнение: 1) \(\frac{4}{7}b + \frac{3}{7}b + 2 = 14\) 2) \(\frac{2}{3}a + \frac{10}{12}a - \frac{3}{6}a = 24\) 3) \(4\frac{1}{10}x - 3\frac{5}{15}x = \frac{23}{30}\)

7. Решите уравнение:

1. \(\frac{4}{7}b + \frac{3}{7}b + 2 = 14\) \(\frac{4+3}{7}b = 14 - 2\) \(\frac{7}{7}b = 12\) \(b = 12\)

   Ответ: 12

2. \(\frac{2}{3}a + \frac{10}{12}a - \frac{3}{6}a = 24\) \(\frac{2\cdot4}{3\cdot4}a + \frac{10}{12}a - \frac{3\cdot2}{6\cdot2}a = 24\) \(\frac{8}{12}a + \frac{10}{12}a - \frac{6}{12}a = 24\) \(\frac{8+10-6}{12}a = 24\) \(\frac{12}{12}a = 24\) \(a = 24\)

   Ответ: 24

3. \(4\frac{1}{10}x - 3\frac{5}{15}x = \frac{23}{30}\) \(\frac{41}{10}x - \frac{50}{15}x = \frac{23}{30}\) \(\frac{41}{10}x - \frac{10}{3}x = \frac{23}{30}\) \(\frac{41\cdot3}{10\cdot3}x - \frac{10\cdot10}{3\cdot10}x = \frac{23}{30}\) \(\frac{123}{30}x - \frac{100}{30}x = \frac{23}{30}\) \(\frac{123-100}{30}x = \frac{23}{30}\) \(\frac{23}{30}x = \frac{23}{30}\) \(x = 1\)

   Ответ: 1