Ответ:
Пошаговое объяснение:
№1
1/3х + 5/6х = -10 - 1/2х | * 6
6/3х + 30/6х = -60 - 6/2х
2х + 5х = -60 - 3х
7х = -60 - 3х
7х + 3х = -60
10х = -60
х = -60 : 10
х = -6
№2
2/5х - 3/10х = 1/2х - 8 | * 10
20/5х - 30/10х = 10/2х - 80
4х - 3х = 5х - 80
х = 5х - 80
х - 5х = -80
- 4х = -80
х = -80 : (-4)
х = 20
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Answers & Comments
Ответ:
Пошаговое объяснение:
№1
1/3х + 5/6х = -10 - 1/2х | * 6
6/3х + 30/6х = -60 - 6/2х
2х + 5х = -60 - 3х
7х = -60 - 3х
7х + 3х = -60
10х = -60
х = -60 : 10
х = -6
№2
2/5х - 3/10х = 1/2х - 8 | * 10
20/5х - 30/10х = 10/2х - 80
4х - 3х = 5х - 80
х = 5х - 80
х - 5х = -80
- 4х = -80
х = -80 : (-4)
х = 20