[tex]c)\\\\ \frac{ x+2 }{9}+\frac{ x-1}{3} =1\ \ |*9,\ \ \ (pozbywamy\ sie\ ulmakow )\\\\x+2+3(x-1)=9,\ \ (wymnazamy)\\\\x+2+3x-3=9,\ \ (redukcja\ wyrazow,\ podobnych) \\\\4x-1=9,\ \ \ (obliczamy \ niewiadoma\ x)\\\\4x=9+1\\\\4x=10\ \ |:4\\\\x=\frac{10}{4}=\frac{5}{2}=2\frac{1}{2}[/tex]
[tex]g )\\\\\frac{ 2x-1}{5}-\frac{ x-2 }{2} =0,7x\ \ |*10\\\\2(2x-1)-5(x-2)=7x\\\\4x-2-5 x+10=7x\\\\-x+8=7x\\\\-x-7x=-8\\\\-8x=-8\ \ |:(-8)\\\\x=1[/tex]
