Question

34:(x-9)=11, 3x+8 пятых =11

Answer 1

1) 34: (х-9)=11; 34=11(11х-99; 34+99=11х; 133=11х; х=133:11;х= 12 1/11.       2) 3х+8/5=11; 3х=11-1 3/5; 3х=10 5/5-1 3/5; 3х=9  2/5; х=47/5 : 3;х=47/15;х=3 2/15.