Question

5/9+(a-2/9)=5/6
решите
Пппппжжжжжжж

Answer 1

5/9+(a-2/9)=5/6
а-2/9=5/6 - 5/9
a-2/9=(15-10)/18
a-2/9=5/18
a=5/18 + 2/9
a= (5+4)/18
a=9/18
a=1/2
a= 0,5