2/9 х - 1 1/3 = х + 1

2/9 х - 1 1/3 = х + 1;

2/9 х - х = 1 + 1 1/3;

2/9 х - 9/9 х = 1 + 4/3;

-7/9 х = 3/3 + 4/3;

-7/9 х = 7/3:

-х = 7/3 : 7/9;

-х = 7/3 * 9/7;

-х = 9/3;

-х * (-1) = 3 * (-1);

х = - 3;

2/9 * (-3) - 1 1/3 = - 3 + 1;

-6/9 - 4/3 = - 2;

-2/3 - 4/3 = - 2;;

-6/3 = - 2;

-2 = - 2.