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23 January, 20:53

Combine like terms in the expression

3x+2+9x-7

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Answers (2)
  1. 23 January, 21:01
    0
    Step-by-step explanation:

    3x+2+9x-7 = 12x-5

    First, collect like terms which is 12x+2-7. Then, calculate the difference which is 12x-5.
  2. 23 January, 21:16
    0
    12x-5

    Step-by-step explanation:

    3x and 9x are like terms, and so are 2 - 7. You can identify like terms as they most likely end the same. When you have your like terms identified, just add them like normal.

    3x + 9x = 12x

    2 - 7 = - 5

    12x-5
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