Решите уравнение: 1 2/3x+5/6x=2 1/2+7/12-4 1/4

[latex]1 \frac{2}{3}x+ \frac{5}{6}x=2 \frac{1}{2}+ \frac{7}{12}-4 \frac{1}{4} [/latex] [latex]1 \frac{4}{6}x+ \frac{5}{6}x=2 \frac{6}{12}+ \frac{7}{12}-4 \frac{3}{12} [/latex] [latex]1 \frac{9}{6}x=2 \frac{13}{12}-4 \frac{3}{12} [/latex] [latex]1 \frac{9}{6}x=-2 \frac{10}{12}[/latex] [latex]1 \frac{9}{6}x=-2 \frac{5}{6}[/latex] [latex]x=-2 \frac{5}{6}:1 \frac{9}{6}[/latex] [latex]x=- \frac{17}{6}: \frac{15}{6}[/latex] [latex]x=- \frac{17}{6}* \frac{6}{15}[/latex] [latex]x=- \frac{17}{15}[/latex] [latex]x=- 1\frac{2}{15}[/latex]