210k views
0 votes
How old am i if 509 reduces by 3 times my age is 209?

User Zai Chang
by
8.5k points

1 Answer

3 votes
509-3a=209
509-509-3a=209-509
-3a=-300
-3a/-3=-300/-3
a=100
Your age is 100 years old.
Check:
509-3a=209
509-3(100)=209
509-300=209
209=209
User Jake Freelander
by
8.1k points