SOLUTION: Jhon and Sam are brothers.Sam is 3 years old. John is j years old if you multiply Jhon's age by 3 and subtract 12,you get Sam's age: how old is Jhon?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Jhon and Sam are brothers.Sam is 3 years old. John is j years old if you multiply Jhon's age by 3 and subtract 12,you get Sam's age: how old is Jhon?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 1112564: Jhon and Sam are brothers.Sam is 3 years old. John is j years old if you multiply Jhon's age by 3 and subtract 12,you get Sam's age: how old is Jhon?
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
(3 * j) -12 = 3
:
3j = 15
:
j = 5
:
John is 5 years old
: