2/3(7-2x)=1/2 решите прошу оч

Question

2/3(7-2x)=1/2 решите прошу оч

Answer 1

2/3 * (7 - 2х) = 1/2
7 - 2х = 1/2 : 2/3
7 - 2х = 1/2 * 3/2
7 - 2х = 3/4
2х = 7 - 3/4
2х = 28/4 - 3/4
2х = 25/4
х = 25/4 : 2
х = 25/4 * 1/2
х = 25/8
х = 3 1/8