Question

решить уравнение 2/3-(2/9+х)=1/3

Answer 1

2/9+х=1/3+2/3
2/9+х=3/3=1
х=1-2/9=9/9-2/9
х=7/9
Ответ:7/9

Answer 2

2/3 - ( 2/9 + x ) = 1/3 ; 2/3 - 2/9 - x = 1/3 ; 4/9 - x = 1/3 ; -x = 1/3 - 4/9 ; -x = - 1/9 ; x = 1/9