diablo3 diablo3

07-03-2017
Mathematics

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Melissa giggled as she thought about four consecutive odd integers such that 5 times the sum of the first two was 10 less than 7 times the sum of the second and fourth. What were her four integers?

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faithelaine faithelaine

07-03-2017

x, x+2, x+4, x+6

5(x+x+2) = -10 + 7(x+2+x+6)
10x+10 = -10 + 14x+56
-36 = 4x
-9=x

-9,-7,-5,-3 are the four numbers!

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