Question

Помогите пожалуйста.

Answer 1

1)

$7a + 10b + 6a - 3b = 13a + 7b$

2)

$10c + 9v + 6c - 7v = 16c + 2v$

3)

$8s + 4r + 13s + 6r = 21s + 10r$

4)

$4d + 6e - 5d + 4e = 10e - d$

5)

$13f + 7g + 3f + 4g = 16f + 11g$

6)

$9p - 13q + 12p + 19q = 21p + 6q$

7)

$2b + 9c + 4b - 6c = 6b + 3c$

8)

$5k + 14m + 4k + 12m = 9k + 26m$

9)

$14n + 12p + 4n + 12p = 18n + 24p$