Решение уравнения a-(-2,3/4)=-2,5/6

[latex]a-2\frac{3}{4}=-2{\frac{5}{6}[/latex] [latex]a=2\frac{3}{4}-2\frac{5}{6}[/latex] [latex]a=\frac{3}{4}-\frac{5}{6}[/latex] [latex]a=\frac{3*3}{4*3}-\frac{5*2}{6*2}[/latex] [latex]a=\frac{9}{12}-\frac{10}{12}[/latex] [latex]a=\frac{9-10}{12}[/latex] [latex]a=-\frac{1}{12}[/latex] ответ: -1/12