Question

Второе задание под буквой б)

Answer 1

y+3 7/9 = 5 6/9+12 5 /9 

y+ 3 7/9 = 17 11/9

y=17 11/9 - 3 7/9

y=14 4/9

Answer 2

(y+3 7/9) - 12 5/9 = 5 6/9
y= 5 6/9 + 12 5/9 - 3 7/9
y= 14 4/9 т.к 5 6/9 + 12 5/9 - 3 7/9 = 18 2/9 -3 7/9 = 14 4/9