2. Решите уравнение: a) \frac{17}{20} - x = \frac{14}{20} - \frac{3}{20}; б) \frac{8}{15} - \frac{7}{15} + y = \frac{14}{15}

Решим уравнение:

1. \(\frac{17}{20} - x = \frac{14}{20} - \frac{3}{20}\) \(\frac{17}{20} - x = \frac{14-3}{20}\) \(\frac{17}{20} - x = \frac{11}{20}\) \(x = \frac{17}{20} - \frac{11}{20}\) \(x = \frac{17-11}{20}\) \(x = \frac{6}{20}\) \(x = \frac{3}{10}\)
2. \(\frac{8}{15} - \frac{7}{15} + y = \frac{14}{15}\) \(\frac{8-7}{15} + y = \frac{14}{15}\) \(\frac{1}{15} + y = \frac{14}{15}\) \(y = \frac{14}{15} - \frac{1}{15}\) \(y = \frac{14-1}{15}\) \(y = \frac{13}{15}\)

Ответ: a) \(x = \frac{3}{10}\); б) \(y = \frac{13}{15}\)