Решаем по действиям:
1. 7/9=(7//9)
2. 2/3=(2//3)
3. (7//9)*x-(2//3)*x=(1//9)*x
4. 3-5=-2
Выражение: 7/9*x+3=2/3*x+5
Ответ: (1//9)*x-2=0
Решаем по шагам:
1. (7//9)*x+3-2/3*x-5=0
1.1. 7/9=(7//9)
2. (7//9)*x+3-(2//3)*x-5=0
2.1. 2/3=(2//3)
3. (1//9)*x+3-5=0
3.1. (7//9)*x-(2//3)*x=(1//9)*x
4. (1//9)*x-2=0
4.1. 3-5=-2