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Loryn,brian,and edna are donating book to the library.loryn donated 7 more books than brian.enda donated twice as many books as loryn. Together they donated a total of 53 books how many books did loryn donate

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1 u stands for unit btw
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Answer:15

Step-by-step explanation: We know L+B+E=53 books

Loryn=L

Enda=2L

Brian=L-7

L+2L+L-7=53

Then solve for L

Leaving you with L=15

Check

15+2(15)+(15-7)

15+30+8=53