What is the value of the Roman numeral X?

The value of the Roman numeral X is 10. In the Roman numeral system, specific letters represent different values: I is 1, V is 5, X is 10, L is 50, and C is 100. The numeral X stands alone, indicating its value directly without the need for additional contextual numbers or combinations with other numerals. Therefore, X is universally recognized as 10 in Roman numerals. This understanding of individual Roman numeral values is crucial for interpreting more complex numeral combinations as well.