find the balance of each account

Question

Pablo has a checking account and a savings account with a combined balance of $ 2 comma 418.$2,418. The balance in his savings account is twice the balance in his checking account. Find the balance of each account

Answer 1

Let x = the balance in his checking account

Let 2x = the balance in his savings account

x + 2x = 2418

3x = 2418

x = $806

2x = $1612