3 2/11(11/7х - 1,1) - 1,2(5/3 - 1,1х) = - 76,55 - 1,1х
35/11* 11/7х - 35/11*11/10 - 12/10 * 5/3 + 12/10*11/10х = -76,55 - 11/10х
5х + 132/100х + 11/10х = - 76,55 + 4/2 + 35/10
5х + 1,32х + 1,1х = - 76,55 + 2 + 3,5
7,42х = - 71,05
х = - 7105/742
х = - 9 427/742