20x - 22 = 8 - 10x
20x + 10x = 8 + 22
30x = 30 | : 30
x = 1
[tex]20x - 22 = 8 - 10x \\ 20x + 10x = 8 + 22 \\ 30x = 30 \\ x = 1[/tex]
Pozdrawiam