KingEnzo93 KingEnzo93
  • 25-11-2018
  • Mathematics
contestada

ise the distributive property to find an equivalen expressin of 21 - 7r

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AnimeBrainly
AnimeBrainly AnimeBrainly
  • 25-11-2018

Find common factors for each term. Factor out 7 from all terms

21/7 = 3

-7/7 = -1

7(3 - r) is an equivalent expression

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