Question

Помогите срочно
3х-2 при х= 1 2/3*3

Answer 1

2х-3-(5х-4)=2х-3-5х+4=1-3х

Answer 2

1) 1 2/3 * 3 = 5/3 *3 = 15/3 = 5
2) ( 3*5) - 2 = 15 - 2 = 13