Answer:
9
Step-by-step explanation:
Assuming x is the multiplication symbol, you would multiply 3 and the other 3 together. This leaves you with 9+7-7. Since 7-7=0 you can just get rid of both sevens completely. Now you are only left with 9.
(3x3)+7-7
9+7-7
16-7
the second option its 16
Answer: The answer is 6n+7y
Step-by-step explanation: All you have to do is add like terms
if its thousandths, its 4 x 10^-1. If you mean 4000, its 4 x 10^3
1- x= 9
2- x= 10...............
