Подалуйста побыстрей !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1/3x+5/6x-1=1 1/3 |*6 2x+5x-6=8 7x=14 x=2
2/6x+5/6x-1=1 1/3 7/6x=1 1/3+1 7/6x=2 1/3 x=2 1/3:7/6 x=7/3*6/7 x=2