-(52/3-1,6)-x=61/3

-( 5 * 2/3 - 1.6 ) - x = 6 * 1/3;
-( 10/3 - 16/10 ) - x = 6/3;
-( 10/3 * 10/10 - 16/10 * 3/3) - x = 6/3;
-( 100/30 - 48/30 ) - x = 6/3;
-( (100 - 48)/30 ) - x = 6/3;
-52/30 - x = 6/3;
x = -52/30 - 6/3;
x = -52/30 - 6/3 * 10/10;
x = -52/30 - 60/30;
x = ( -52 - 60 )/30;
x = -112/30;
x = -56/15.