[tex] \frac{5}{11} x=225=\ \textgreater \ 5x=225*11=\ \textgreater \ x=2475:5=\ \textgreater \ x=495 \\ \\ \frac{7}{4}x=175=\ \textgreater \ 7x=175*4=\ \textgreater \ x=700:7=\ \textgreater \ x=100 \\ \\ \frac{2}{7} x=264=\ \textgreater \ 2x=264*7=\ \textgreater \ x=1848:2=\ \textgreater \ x=924 \\ \\ \frac{7}{9} x=140=\ \textgreater \ 7x=140*9=\ \textgreater \ x=1260:7=\ \textgreater \ x=180 \\ \\ \frac{11}{20} x=198=\ \textgreater \ 11x=198*20=\ \textgreater \ x=3960:11=\ \textgreater \ x=360[/tex]
