zadanie 2
a) 1/2x-3/4[x-(4x+1)]=1-x+1/4
\frac{1}{2}x-\frac{3}{4}[x-(4x+1)]=1-x+\frac{1}{4}
0,5x-0,75(x-4x-1)=1-x+0,25
0,5x-0,75(-3x-1)=1,25-x
0,5x+2,25x+0,75+x=1,25
3,75x=1,25-0,75
3,75x=0,5
x=\frac{50}{375}
x=\frac{2}{15}
b) 2/3(3x-1)-3/2[2x+3(x-2)]=1