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26 August, 09:33

Combining like terms

Simplify each expression

1.) - 4x - 10x

2.) - r - 10r

3.) - 2x + 11 + 6x

4.) 11r - 12r

5.) - v + 12v

6.) - 8x - 11x

7.) 4p + 2p

8.) 5n + 11n

9.) n + 4 - 9 - 5n

10.) 12r + 5 + 3r - 5

11.) - 5 + 9n + 6

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Answers (1)
  1. 26 August, 09:46
    0
    Combine like terms to simplify an expression. For example, all terms with the variable x can be combined into one term. All constants can also be combined.

    1) - 4x - 10x = - 14x

    2) - r - 10r = - 11r

    3) - 2x + 11 + 6x = 4x + 11

    4) 11r - 12r = - r

    5) - v + 12v = 11v

    6) - 8x - 11x = - 19x

    7) 4p + 2p = 6p

    8) 5n + 11n = 16n

    9) n + 4 - 9 - 5n = - 4n - 5

    10) 12r + 5 + 3r - 5 = 15r (the 5 and - 5 cancel each other out)

    11) - 5 + 9n + 6 = 9n + 1
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