Answer: X - 6
If you were to write an equation you can use Y to represent Joshua's age, X - 6 = Y
I believe it would be 2. Since 7-9= -2 then subtract another 2 which equals -4 then add 10 which equals 6 then subtract 4. Which equals 2.
2 is the answer, hope this helps
Answer: 2/3
Step-by-step explanation: You take the 2 and divided it by 3 but your going to get a long decimal so you can put it into a fraction of 2/3