[tex]Zadanie\\\\a )\\\\\frac{1}{4}(x+2)=\frac{1}{4}x+\frac{2}{4}=\frac{1}{4}x+\frac{1}{2}\\\\ b)\\\\-5(3x+8)=-15x-40\\\\c)\\\\ 5(x+8y-5)= 5x+40y-25\\\\d)\\\\ 4(x-2xy)=4x-8xy= -8xy+4x\\\\\\Odp.\ a)\ TAK;\ b)\ NIE;\ c)\ TAK;\ d)\ TAK[/tex]
