Ella buys a book and pen for $14. The cost of the book is two dollars more than twice the cost of the pen. write a system of linear equations for the situation. Then find the cost of each item. Let x represent the cost of the pen, and let y represent the cost of the book

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14 February, 14:24

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Rory · Answer 1

Book+pen=14 book=2+2*pen

2+2pen+pen=14

3pen=14-2

pen=4

replace pen by its value---> book=2+2*4

book=10