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leonhavik1 leonhavik1
  • 21-01-2017
  • Mathematics
Answered

4 (2m-n) - 3 (2m-n) m=-15 and n= -18

Verified Answer :

xxQueenPxx
xxQueenPxx xxQueenPxx
  • 21-01-2017

The answer is -12...

Answer Link
apologiabiology
apologiabiology apologiabiology
  • 21-01-2017

remember
ab-ac=a(b-c)
we can undistribute the (2m-n) to make it easier
4(2m-n)-3(2m-n)=(2m-n)(4-3)=(2m-n)(1)=(2m-n)

2m-n
for m=-15 and n=-18

2(-15)-(-18)
-30+18
-12

Answer Link

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