1) 3х + 2х = 10
5х = 10
х = 2
2) 5х - 2 = 1
5x = 3
х = 3/5
х = 0,6
3) 7х + х + 3 = 19
8х = 16
4) 3х - 1 = 2х
х = 1
5) 5х + х = 6
6х = 6
1) 3х + 2х = 10
5х = 10
х = 2
2) 5х - 2 = 1
5x = 3
х = 3/5
х = 0,6
3) 7х + х + 3 = 19
8х = 16
х = 2
4) 3х - 1 = 2х
х = 1
5) 5х + х = 6
6х = 6
х = 1