помогите пожалуйста!!!
1) 1,1x - 2 1/42 = 3/5x;
2) 6,75х = 2 1/4х - 9;
3) 16 - 9 1/2у = 3у + 21;
4) 1 1/4у + 7,5 = 5у;
5) 0,5х - 7 = - 2/3х;
6) 6у - 2 4/5 = 2,5у;

1) 1,1х-3,5х=2 1/42-2,4х=2 1/42х=89/42*-10/24=-890/1008=-445/5042) 675/100х-9/4х=-9675/100х-225/100х=-9550/100х=-9х=-900/100 * 100/550=-900/550=-18/11=-1 целая 7/113)-9,5у-3у=21-16-6,5у=5у=50/10 * -10/65=-50/65=-10/134)1,25у-5у=-7,53,75у=7,5у=750/100 * 100/375=750/375=25) 3/6х+4/6х=77/6х=7х=7*6/7=66) 6у-2,5у=2,83,5у=2,8у=28/10 * 10/35=28/35=4/5=0,8