cześć!
[tex]9x = 5x - 8 \\ 9x - 5x = 8 \\ 4x = 8 \\ x = 2[/tex]
[tex]3x = x + 10 \\ 3x - x = 10 \\ 2x = 10 \\ x = 5[/tex]
[tex]3x + 10 - 2x = 4x + 1 \\ 3x - 2x - 4x = 1 - 10 \\ x - 4x = - 9 \\ - 3x = - 9 \\ x = 3[/tex]
pozdrawiam!
