 
<translate> John yana da shekaru 39 - 3 = 36 shekaru 3 da suka wuce. Wannan yana nufin cewa a cikin shekaru 6 James zai kasance 36 / 2 = 18 shekara. A yanzu haka James yana da shekara 18 - 6 = 12. Don haka babban ɗan'uwan James yana da shekara 12 + 4 = 16. Amsar ita ce: 16. <eng> John was 39 - 3 = 36 years old 3 years ago. So that means in 6 years James will be 36 / 2 = 18 years old. So right now James is 18 - 6 = 12 years old. So James's older brother is 12 + 4 = 16 years old. The answer: 16. 