SOLUTION: In 5 years, Brayan will be 3 times as old as he was 7 years ago. How old is he?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: In 5 years, Brayan will be 3 times as old as he was 7 years ago. How old is he?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 644433: In 5 years, Brayan will be 3 times as old as he was 7 years ago. How old is he?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = his age now
+x+%2B+5+ = his age in 5 years
+x+-+7+ = his age 7 years ago
--------
given:
+x+%2B+5+=+3%2A%28+x+-+7+%29+
+x+%2B+5+=+3x+-+21+
+2x+=+21+%2B+5+
+2x+=+26+
+x+=+13+
He is 13 now