/ *15 3x-9-10x=45-15x 8x=54/ :8 x=6,75 2. /*6 12x-8x=3x+6 x=6 3. /*12 4x-8+9x=12 13x=20/:13 x=1 7/13 4. / *3 15x-3x+2=3x-6 9x=-8/:9 x=-8/9
1. 15* (x-3)/5 - 15* 2x/3 + 15(3-x) 3(x-3) -5(2x)=25-15x 3x-9-10x=45-15x 3x-10x+15x=45+9 8x=54/8 x=6,75 2. 6*2x-6*4x/3=6*(x+2)/2 12x-8x=3x+6 12x-8x-3x=6 x=6 3. 12*x-2/3 - 12*(-3x)/4=12*1 4(x-2) +3*3x=12 4x-8+9x=12 13x=20/13 x=20/13 x= 1 i 7/13 4. 3*5x-3*3x-2/3=3(x-2) 15x - 3x+2=3x-6 15x-3x-3x=-6-2 9x=8/9 x=8/9
Rozwiąż równania: [latex]frac{2}{5x+10} = frac{-3}{x^{2}-4 } [/latex] [latex] frac{2x+5}{ x^{2}-1 } = frac{1}{x+1 } [/latex] [latex] frac{6}{x} -1= frac{2}{x-1} [/latex] [latex] frac{2x+1}{ x^{2}-9 } - frac{3}{x-3} =0[/latex]...
Rozwiąz równania a)[latex]-frac{2}{5}(3-2x)=0,1(4x+1)[/latex] b)[latex]4(x+frac{1}{2})^{2}=(2x-3)(2x+3)[/latex] c[latex]frac{1}{3}(5x+2)-2(frac{1}{2}x+frac{1}{3})=frac{2}{5}x [/latex]...
Rozwiąż równania, a) sin² 4x = 1 b) cos² 2x = [latex] frac{1}{2} [/latex] d) 3 tg² [latex] pi [/latex]x = 1 e) | 2 cos 3x | = 1 f) | [latex] sqrt{3} [/latex] tg (x + [latex] frac{ pi }{6} [/latex] ) | = 3...
rozwiaz rownania a)3[latex]3+frac{1}{x-2}=0[/latex] b)[latex]frac{7-x}{x+3}=frac{x-2}{x+7}[/latex] c)[latex]frac{7}{x}=x+6[/latex] d)[latex]2^{x-1}=4[/latex] e)[latex]3^{2-x}=9[/latex]...
rozwiaz rownania: a)[latex]frac{5x-2}{2}+frac{3x-7}{6}=frac{1}{2} [/latex] b)[latex]-frac{2x+3}{2}+frac{x-8}{4}=frac{1}{4}[/latex]...
rozwiaz rownania a) [latex]left { {{frac{2x-y}{4}+frac{3x+5}{2}=3} atop {frac{x-7}{5}-frac{2y+x}{10}=-1}} ight[/latex] b) [latex] left { {{2(x+y)-(x-1)=y+2} atop {x+y=1}} ight [/latex]...
