Question

(4 19 - а )+ 8 59 = 9 29

Answer 1

(4 1/9-а)+8 5/9=9 2/9

4  1/9-а=9 2/9 - 8 5/9 

4 1/9-а= 6/9

а= 4 1/9 -6/9

х= 31/9 = 3целых  4 /9

Answer 2

4 1/9-a+8 5/9=9 2/9

-a=9 2/9-4 1/9-8 5/9

-a=5 1/9- 8 5/9

-a=- 3 4/9

a=3 4/9