Помогите с примером: 0.4x+7/3 меньше 2/3x-1.2

[latex]0,4x+ \frac{7}{3} \ \textless \ \frac{2}{3} x-1,2 \\ 0,4x- \frac{2}{3} x\ \textless \ -1,2- \frac{7}{3} \\ \frac{2}{5} x- \frac{2}{3} x\ \textless \ - \frac{6}{5} - \frac{7}{3} \\ [/latex] [latex] \frac{6-10}{15} x\ \textless \ \frac{-18-35}{15} \\ \frac{4}{15} x\ \textless \ \frac{-53}{15} \\ 4x\ \textless \ -53 \\ x\ \textless \ -13,25 \\ [/latex] x∈(-∞;-13,25)