Question

Brian had k dollars to begin with. He just spent 39 dollars. Using k, write an expression for the number of dollars he has left.

Answer 1

K-39  hope I understood the problem right but I hope this helped :)

Answer 2

The Expression: k-39

The Explanation: The reason you write k is because k is a unknown value that is why you keep it the same. Then you write -39 because he spends 39 dollars.

Hope This Helps Please Give Me Brainiest.