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Anonymous Anonymous
  • 09-08-2016
  • Mathematics
Answered

need help with this 3(m + n) - 5 (2m-n)

Verified Answer :

garydesir1
garydesir1 garydesir1
  • 09-08-2016

HI Cindy


3(m + n) - 5(2m-n)

3m + 3n - 10m + 5n

3m - 10m +5n -3n

7m - 2n


I hope that's help:)


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dalendrk
dalendrk dalendrk
  • 09-08-2016

3(m + n) - 5(2m - n)    |use distributive property a(b +/- c) = ab +/- ac

= 3m + 3n - 10m + 5n

= (3m - 10m) + (3n + 5n)

= -7m + 8n

= 8n - 7m

Answer Link

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