You want to buy a cd plaer that cost $99. you already have $15.00. If you save $12 per week, when will you have enough money to buy the cd player?

i need to write an expression and solve it.
i wrote: x/12 - $15 = $99
im not sure how to do this?

2 answers

wait: igot this instead:

12 (x) +15 = $99
12(7) + 15 = $99
84 + 25 = $99
12x = 99 - 15