Odpowiedź :
Odpowiedź:
[tex]\frac{x}{2} = \frac{2}{5} (4-x)-4\\\frac{x}{2} = 1,6 - \frac{2}{5}x - 4 |*10\\5x = 16 - 4x - 40\\9x = -24 |:9\\x = -2\frac{2}{3} \\g) \frac{2x-1}{5} - \frac{x-2}{2} = \frac{7}{10} x |*10\\4x-2 - (5x-10) = 7x\\-x + 8 = 7x\\8 = 8x\\x = 1[/tex]