2,3-1.6x=7/12 x + 5,9

2.3-1.6x=7:12x + 5.9 2.3-1.6x=[latex] \frac{7}{12} x[/latex]+5.9 -1.6x - [latex] \frac{7}{12} [/latex]x=5.9-2.3 -1.6x- [latex] \frac{7}{12} [/latex]x=3.6 -[latex] \frac{16}{10} [/latex]x -[latex] \frac{7}{12} [/latex]x=3.6 -[latex] \frac{8}{5} [/latex]x-[latex] \frac{7}{12} [/latex]x=3.6 [latex] \frac{12*-8-5*7}{60} x[/latex]=3.6 [latex]\frac{-96-5*7}{60} } [/latex]x=3.6 [latex] \frac{-96-35}{60} [/latex]x=3.6 [latex] \frac{-131}{60} [/latex]x=3.6 -[latex] \frac{131}{60} [/latex]x=3.6 x=3.6 : ([latex]- \frac{131}{60} [/latex]) x=[latex] \frac{36}{10} [/latex] : ([latex] -\frac{131}{60} [/latex]) x=[latex] \frac{18}{5} [/latex] : ([latex]- \frac{131}{60} [/latex]) x=[latex] \frac{18}{5} [/latex] * ([latex] -\frac{60}{131} [/latex]) x=18*([latex]- \frac{12}{131} [/latex]) x=[latex]- \frac{18*12}{131} [/latex] Ответ: x= [latex]- \frac{216}{131} [/latex] Надеюсь правильно.