Question

Решите пожалуйста!!!!!

Answer 1

a) 2/3 * (1/3х - 0.5 ) = 4х + 2 1/2

2/9х - 1/3 = 4х + 2 1/2

2/9х - 4х = 2 1/2 + 1/3

34/9х = 17/6

х = 17/6 * 9/34

x = 10 19/27