Odpowiedź:
a
[tex]2x - 5 - x - 3 = 8 \\ x - 8 = 8 \\ x = 16[/tex]
b
[tex]6 - x - \frac{x}{2} = 4 \\ 12 - 2x - x = 8 \\ 12 - 3x = 8 \\ 4 = 3x \\ x = \frac{4}{3} [/tex]
c
[tex] \frac{3}{4} x -x - 1 = 0 \\ 3x - 4x - 4 = 0 \\ - x = 4 \\ x = - 4[/tex]
zadanie w załączniku :)
