This is the correct answer to the problem
Answer:
The answer is 10.6 (I'm sorry if it's wrong)
Step-by-step explanation:
found out what D and B is (they both are 4 I think) then add 10 with 8 then divide 120 with 18 which is 6.6 then add what D is and then I got 10.6
It is true. YOU'RE WELCOME :D
Y - x = 2x - 2/3y
y = 3x - 2/3y
1 2/3y = 3x
y = 1.8x
