Rozwiąż równania: a) [latex] frac{2x-1}{5} [/latex]-[latex] frac{x-2}{2} [/latex]=0,7x b) 2x-[latex] frac{3x+5}{4} [/latex]=-[latex] frac{1}{4} [/latex]x-1

a) [latex]frac{2x-1}{5} - frac{x-2}{2} =0,7x /cdot 10[/latex] [latex]2(2x-1)-5(x-2)=7x[/latex] [latex]4x-2-5x+10=7x[/latex] [latex]4x-5x-7x=2-10[/latex] [latex]-8x=-8 /:(-8)[/latex] [latex]x=1[/latex] b) [latex]2x- frac{3x+5}{4} =- frac{1}{4} x-1 /cdot 4[/latex] [latex]8x-(3x+5)=-x-4[/latex] [latex]8x-3x-5=-x-4[/latex] [latex]8x-3x+x=-4+5[/latex] [latex]6x=1 /:6[/latex] [latex]x=frac{1}{6}[/latex]