Answer:
r=-11
Step-by-step explanation:
You earn $2,400 in interest over the 2 years
A x.+ 2 it’s a I got it right on my quiz
Judging by the question you have provided I came to the conclusion that you have already solved your own problem!
If the goal is to find X when X=-15 then your answer for X should be -15!
If this is not the entire equation please post the entire one!
Hope this helped!
-Blake