Question

Решите пожалуйста под буквой А

Answer 1

$\frac{27}{14}$x - $\frac{8}{3}$x = $\frac{9}{7}$

$\frac{81}{42}$x - $\frac{112}{42}$x = $\frac{54}{42}$

81x - 112x = 54

-31x = 54

x = - $\frac{54}{31}$

Answer 2

27/14 x = 8/3+9/7

x=119/21 * 14/27

x=238/81 = 2, 76/81