(у-8 12/18)+1 7/19=6 2/19

(у-8[latex] \frac{12}{18} [/latex])+1[latex] \frac{7}{19} [/latex]=6[latex] \frac{2}{19} [/latex] (у-8[latex] \frac{12}{18} [/latex])=6[latex] \frac{2}{19} [/latex] -1[latex] \frac{7}{19} [/latex] (у-8[latex] \frac{12}{18} [/latex])=4[latex] \frac{14}{19} [/latex] у=4[latex] \frac{14}{19} [/latex]+8[latex] \frac{12}{18} [/latex] у=13[latex] \frac{23}{57} [/latex] Ответ:у=13[latex] \frac{23}{57} [/latex]