1. 2x + 5x - 3x = 4x
2. 8a - 3a + 2a = 7a
3. 6b - 2b + b = 5b
4. 9c - 4c + 3c = 8c
5. 7d - d + 2d = 8d
6. 10e - 5e + e = 6e
7. 3f + 4f - 2f = 5f
8. 5g - 2g + 3g = 6g
9. 8h - 3h + h = 6h
10. 6i - i + 4i = 9i
11. 7j - 2j + 3j = 8j
12. 9k - 4k + 2k = 7k
13. 5l - l + 3l = 7l
14. 8m - 3m + m = 6m
15. 6n - 2n + 4n = 8n
16. 7o - o + 2o = 8o
17. 9p - 3p + p = 7p
18. 5q - q + 4q = 8q
19. 8r - 2r + r = 7r
20. 6s - s + 3s = 8s
Parent Tip: Review the logic above to help your child master the concept of what is the title of this picture worksheet answer key.