7·(6-х)+5·(х-3)=5
42 - 7х + 5х -15 = 5
- 2х = 5 + 15 - 42
- 2х = -22
х = 11
42-7х+5х-15=5
28-2х=5
2х=28-5
2х=23
х=11.5
7·(6-х)+5·(х-3)=5
42 - 7х + 5х -15 = 5
- 2х = 5 + 15 - 42
- 2х = -22
х = 11
42-7х+5х-15=5
28-2х=5
2х=28-5
2х=23
х=11.5