Question

решите уравнение b)7/9×-4/27=1/18 ​

Answer 1

Ответ:

$\frac{7}{9} x - \frac{4}{27} = \frac{1}{18} \\ \frac{7}{9} x = \frac{1}{18} + \frac{4}{27} \\ \frac{7}{9} x = \frac{3 + 8}{54} \\ \frac{7x}{9} = \frac{11}{54} \\ 7x = \frac{11}{6} \\ x = \frac{11}{42}$