Odpowiedź:
15x -5 = -2x + 12
15 x + 2 x = 12 + 5
17 x = 17 // 17
x = 1
[tex]5(3x-1) = -2(x-6)\\\\15x - 5 = -2x + 12\\\\15x + 2x = 12 + 5\\\\17x = 17 \ \ /:17\\\\x = 1[/tex]