As for the PDF version of the workbook, Juan shared it with his classmates, and soon, the whole school was buzzing with excitement about the new online resource.

From that day on, Juan and El Matemático became unlikely friends, working together to solve mathematical puzzles and mysteries. And Juan made sure to always keep his workbook close by, knowing that it held the key to many more exciting adventures.

The puzzle was to find the value of x in a complex equation:

Juan, being a math enthusiast, quickly solved the equation and found the value of x to be 3.

2x + 5 = 11

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