The answer is C. Hope this helps :) good luck!
Answer:
225(3)
Step-by-step explanation:
Since the debt has tripled it has been multiplied by 3 so the answer is 225 x 3 or 225(3)
Literally just plug it in
6(7) + 5(-4) - 42 = 0
42 -20 -42 = 0
-20 = 0
Not a solution.