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29 December, 06:53

Simplify 7x + 7 + 6x - 9.

13x - 2

O 13x + 2

O 11x

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Answers (1)
  1. 29 December, 07:21
    0
    13x - 2

    Group like terms:

    7x + 6x = 13x

    7 - 9 = - 2

    Put them back together:

    13x - 2
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