Question

помогите плииииз даю 15 баллов​

Answer 1

(х+2 3/13)= 4 5/39 + 1 7/26
(х+2 3/13)= 4 10/78+ 1 21/78
(х+2 3/13)= 5 31/78
х= 5 31/78 - 2 3/13
х= 5 31/78 - 2 18/78
х=3 13/78
х=3 1/6