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Moderate

A New Expression's Value

SATMAT-GZKNUJ

If $ 4x+y=5 $ and $ x-4y=8 $, then what is the value of $ 3x+5y $?

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A

$ -3 $

B

$ \cfrac { 15 }{ 17 } $

C

$ 3 $

D

$ 13 $