Question

(3 цел 1/7-n)+1цел 4/7=3 цел 5/7+2/7

Answer 1

(22/7-n)+11/7=26/7+2/7
22/7-n+11/7=28/7
22/7-n=17/7
-n=11/7-22/7
n=22/7-11/7
n=11/7
n=1 4/7

Answer 2

спс