Odpowiedź :
[tex]5\ (4x + 3) = 2\ (9x - 1) - 3\ (2x + 1) + 4[/tex]
[tex]20x + 15 = 18x - 2 - 6x - 3 + 4[/tex]
[tex]20x - 18x + 6x = -2 -3 + 4 - 15[/tex]
[tex]8x = -16\ |: 8[/tex]
[tex]\boxed{x = -2}[/tex]
[tex]5\ (4x + 3) = 2\ (9x - 1) - 3\ (2x + 1) + 4[/tex]
[tex]20x + 15 = 18x - 2 - 6x - 3 + 4[/tex]
[tex]20x - 18x + 6x = -2 -3 + 4 - 15[/tex]
[tex]8x = -16\ |: 8[/tex]
[tex]\boxed{x = -2}[/tex]