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22 September, 02:43

Simplify - 12x + 5x.

-7

-7x

-17x

+4
Answers (2)
  1. 22 September, 02:48
    0
    the answer would be - 17x
  2. 22 September, 02:51
    0
    7x. Try to ignore the X's for a second and think of the problem as - 12+5 (aka 5-12). The answer to that is 7. now add the x back again to get: 7x
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