leonhavik1
leonhavik1
21-01-2017
Mathematics
contestada
4 (2m-n) - 3 (2m-n) m=-15 and n= -18
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xxQueenPxx
xxQueenPxx
21-01-2017
The answer is -12...
Answer Link
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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