[tex]2 - 9 = - 5x + 5 \\ 5x = 5 - 2 + 9 \\ 5x = 12 \\ x = 2.4[/tex]
[tex] - x + 6 = 4x + 16 \\ - x - 4x = 16 - 6 \\ - 5x = 10 \\ x = - 2[/tex]
[tex]3x + 12 = 7x - 8 \\ 3x - 7x = - 8 - 12 \\ - 4x = - 20 \\ x = 5[/tex]
Pozdrowionka! ~Wika
