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Katieperezzzz Katieperezzzz
  • 21-01-2016
  • Mathematics
Answered

  1. Combine like terms

-21a + 16a

A.-5a

B.5a

C.37a

D.-37a

Verified Answer :

20868
20868 20868
  • 21-01-2016

you're answer is A because it's the same as saying -21 + 16= -5 or the same as 21 - 16 and you get 5. but put a negative on the 5. 

hope you understood it.

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