Question
Johan's collection of trading cards decreased in value by $7. Kendal's collection of trading cards increased in value by twice the amount that Johan's cards
Johan's collection of trading cards decreased in value by $7. Kendal's collection of trading cards increased in value by twice the amount that Johan's cards decreased in value. Which expression represents the amount by which Kendal's cards increased in value?
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Graph Colouring And Applications
Authors: Pierre Hansen ,Odile Marcotte
1st Edition
0821819550, 978-0821819555
