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12 October, 01:56

Simplify the Algebraic Expressions Problems 15 - 19.

15. 7c + 8d + 2c + 17d =

16. 4 (2m - 3p) + 12m + 7p =

17. (15j + 9z) - (12j + 6z) =

18. 3y + 6.7x + y + 2.3x + 10 - 7 =

19. 2b + (-6c) + 5e - 11b + e + 6c =

+4
Answers (1)
  1. 12 October, 02:28
    0
    Answer: The answers are provided below

    Step-by-step explanation:

    15. 7c + 8d + 2c + 17d

    = 7c + 2c + 8d + 17d

    = 9c + 25d

    16. 4 (2m - 3p) + 12m + 7p

    = 8m - 12p + 12m + 7p

    = 8m + 12m - 12p + 7p

    = 20m - 5p

    17. (15j + 9z) - (12j + 6z)

    = 15j - 12j + 9z + 6x

    = 3j + 15z

    18. 3y + 6.7x + y + 2.3x + 10 - 7

    = 6.7x + 2.3x + 3y + y + 10 - 7

    = 9x + 4y + 3

    19. 2b + (-6c) + 5e - 11b + e + 6c

    = 2b - 11b - 6c + 6c + 5e + e

    = - 9b + 6e
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