1). 5х - 4 = 2х + 6
5х - 2х = 6 + 4
3х = 10
2) 3х + 6 = 5(х-2)
3х - 5х = - 10 - 6
- 2х = - 16
х = 8.
3). 35 = 5(у+2)
5у + 10 = 35
5у = 25
у = 5.
1). 5х - 4 = 2х + 6
5х - 2х = 6 + 4
3х = 10
2) 3х + 6 = 5(х-2)
3х - 5х = - 10 - 6
- 2х = - 16
х = 8.
3). 35 = 5(у+2)
5у + 10 = 35
5у = 25
у = 5.