Question

3х-1 дроб 6 = 7 дробь 3​

Answer 1

$\frac{3x - 1}{6} = \frac{7}{3} \\ \frac{3x - 1}{6} = \frac{14}{6} | \times 6 \\ 3x - 1 = 14 \\ 3x = 15 \\ x = 15 \div 3 \\ x = 5$