2/9х - 1 1/3 = х + 1
сяп
нез
2/9х - 1 1/3=х+1 2/9х - х=1 1/3 + 1 1/9х=2 3/9 х=2 3/9 : 1/9| 21/9:1/9=21/9*9/1=21/1=21 х=21