Question

Помогите решить пример 2/3 ( 1/3x - 1/2 ) = 4x + 2 целых 1/2

Answer 1

$frac{2}{3}x - frac{2}{6} = 4x + 2 frac{1}{2}$

$frac{2}{3}x - 4x = 2 frac{1}{2} + frac{2}{6}$

- 3$frac{7}{9}x = 2 frac{5}{6}$

x = 2$frac{5}{6} / (-3 frac{7}{9})$

x = - 0.75