Verified answer

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.