2/3:(4/9x-4/9)+1/2=4/5

Question

2/3:(4/9x-4/9)+1/2=4/5

Answer 1

4/9х-4/9+1/2 = 2/3 :4/5
4/9х - 4/9+1/2 = 5/6
4/9х - 4/9 = 5/6 - 1/2
4/9х - 4/9 = 1/3
4/9х = 1/3 + 4/9
4/9х = 7/9
х=7/9 : 4/9
х = 7/4

Comments

не верно должно получится 3 уже мозг сломали