There is a story book bought with Huanhuan's money. It is better to spend Pan Pan's money on 2.6 yuan to buy this book than to spend 3.2 yuan to buy Huanhuanhe.
It costs x yuan to set up this book.
(X-2.6)+(X-3.2)-X=2.8
X-5.8=2.8
X=2.8+5.8
X=8.6
A: This book needs 8.6 yuan.