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Gilberto Parks
Mathematics
29 June, 14:55
4 (2m-n) - 3 (2m-n) m=-15 and n = - 18
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Kailyn Acosta
29 June, 15:18
0
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
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Gavin Chapman
29 June, 15:23
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The answer is - 12 ...
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