Решите уравнение ( 3 1/2x- 1/4) ×8=3
(3 1/2х-1/4)*8=3 3 1/2х-1/4=3/8 3 1/2х=3/8+1/4 3 1/2х=3/8+2/8 3 1/2х=5/8 х=5/8:3 1/2 х=5/8:7/2 х=5/8*2/7 х=5/28