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17 November, 21:12

Simplify each expression. If not possible, write simplified.

1. 12a - a

2. 3x + 6x

3. 3x - 1

+2
Answers (2)
  1. 17 November, 21:37
    0
    1. 12-1 = 11 11a

    2. 3+6 = 9 9x

    3. 3x-1 (already simplified - not 'like' terms)
  2. 17 November, 22:06
    0
    1). You have 12 of something, and 1 of the same thing is taken away.

    How many of it do you have then?

    2). You have 3 of something, and 6 more come along.

    How many of it do you have then?

    3). Simplified.
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