The current debt ratio here is 45.70%. If you add up all the debts you have 3655.65 which is 45.70% of the total of 8000.
The card that accrues the most interest is the second one, "Cred". To find those amounts multiply the rate by the balance and divide by 12.
3.50 x 3 = 10.50
6.85 x 2 = 13.70
10.50 + 13.70 = 24.20
Once you combine it, you get 10w + 18
The answer is x=-2 because its the only one thats parallel to the y axis
When i calculated it , it says 993.813