Sumali sa IDNStudy.com at makakuha ng maraming kaalaman. Hanapin ang impormasyon na kailangan mo nang mabilis at madali sa pamamagitan ng aming komprehensibo at eksaktong platform ng tanong at sagot.

if three times alans age 6 years ago is subracted from his twice present age, the result would be equal to his present age,find his present age