2/9х+5/9=7/9х=11С2/3=(11С2/3)*(3/3)=33С2/9=Х*33С2/9Х*x=> 7/9x=66XC/9xx => 7x/9=66XXC/9=>
7=66XC=>C=7/66X
2/9х+5/9=7/9х=11С2/3=(11С2/3)*(3/3)=33С2/9=Х*33С2/9Х*x=> 7/9x=66XC/9xx => 7x/9=66XXC/9=>
7=66XC=>C=7/66X