The ratio of the age of Amit 2 years ago to the age of Vijay 3 years from now is 10:19. If Vijay is y years older than Amit, and the average age of Amit and Vijay 5 years ago was 9 years, then find the value of �" id="MathJax-Element-71-Frame" role="presentation" style="position: relative;" tabindex="0">�y.