Question

Решите уравнение:(3 1\2x-1\4)*8=3

Answer 1

= (7/2х - 1/4 ) * 8 = 3
7/2х-1/4=3/8
7/2х=3/8 + 1/4
7/2х=3/8+2/8
7/2х=5/8
х=5/8 / 7/2
х=5/8 * 2/7
х=5/28
проверка
(3целых1/2 * 5/28 - 1/4) * 8 = 3