Odpowiedź:
[tex]1 + \frac{3}{4} x = 2x - \frac{1}{4} \\ \frac{3}{4} x - 2x = - \frac{1}{4} - 1 \\ - 1 \frac{1}{4} x= -1 \frac{1}{4} \\ x = 1[/tex]