Пошаговое объяснение:
18m + 22m = 40m
c + 14c = 15c
4x + x = 5х
12y – 7y = 5у
25t – 13t = 12t
6x + 4 + 2x + 7 = 8х + 11
7 + 6y + y + 4 = 11 + 7у
12x + 12x – 6x = 18х
13y – y – y = 11у
3a – 3a + 8a = 8а
..........................................
Пошаговое объяснение:
18m + 22m = 40m
c + 14c = 15c
4x + x = 5х
12y – 7y = 5у
25t – 13t = 12t
6x + 4 + 2x + 7 = 8х + 11
7 + 6y + y + 4 = 11 + 7у
12x + 12x – 6x = 18х
13y – y – y = 11у
3a – 3a + 8a = 8а
..........................................