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22 May, 16:48

Add and simplify.

8x

x2 - 16

+

x - 4

x + 4

+3
Answers (1)
  1. 22 May, 17:39
    0
    8x+2x-16+x-4+x+4

    Combine like terms.

    8x and 2x = 10x

    10x-16+x-4+x+4

    -16-4+4=-16

    10x-16+x+x

    x+x = 2x

    10x+2x=12x

    Answer: 12x-16
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