6 9\11*(x-2\3)=50 ????
6 9\11*(x-2\3)=50 75/11х-75/11*2/3=50 75/11х-50/11=50 75/11х=50+50/11 75/11х=550+50/11 75/11х=600/11 х=600/11/75/11 х=600/11*11/75 х=600/75 х=8