Решите уравнение (1 2/7x * 1/3)*21=2

Question

Решите уравнение (1 2/7x * 1/3)*21=2

Answer 1

(1 2/7x *1/3) *21 = 2

9/7 x * 1/3 * 21 = 2

9/21 x * 21 = 2

9x=2

x= 2/9