Решите уравнение; 3.24+x\\3.9=1 3\\5;   8.35+2\\5x=9 3\\4;     

3,24 + [latex] \frac{x}{3,9} [/latex] = [latex]1 \frac{3}{5} [/latex] [latex] \frac{x}{3,9} [/latex] = [latex]1 \frac{3}{5} [/latex] - [latex]3 \frac{6}{25} [/latex] [latex]\frac{x}{3,9}[/latex] = -[latex]1 \frac{16}{25} [/latex] х = - [latex]1 \frac{16}{25}[/latex] * 3,9 х = 1,64 * 3,9 х = 6,396 8,25 + [latex] \frac{2}{5} x[/latex] = 9[latex] \frac{3}{4} [/latex] [latex]\frac{2}{5} x[/latex] = 9[latex] \frac{3}{4} [/latex] - 8[latex] \frac{7}{20} [/latex] [latex] \frac{2}{5} x[/latex] = [latex]1 \frac{8}{20} [/latex] x = [latex]1 \frac{8}{20} [/latex] : [latex] \frac{2}{5}[/latex] х = [latex] \frac{7}{5} [/latex] * [latex] \frac{5}{2} [/latex] х = [latex] \frac{7}{2} [/latex] х = 3,5