[tex]Zadanie\ 5\\\\c)\\\\-\frac{1}{2}x+1+\frac{3x}{2}=3\\\\ -\frac{1}{2}x+\frac{3}{2}x+1=3\\\\ x+1=3\ \ \mid-1\\\\x=2\\\\d)\\\\3(1-x)-(1-2x)=9\\\\3-3x-1+2x=9\\\\-x+2=9\ \ \mid-2\\\\-x=7\ \ \mid\cdot(-1)\\\\x=-7[/tex]
