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14 March, 01:15

Combine like terms in the expression

3x+2+9x-7

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Answers (2)
  1. 14 March, 01:39
    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. 14 March, 04:00
    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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