so I think the answer is very difficult ask to someone else
Step-by-step explanation:
xy=4
2x-y+2=0
N= -7; open the first bracket, then add the two negatives.Then open the second bracket, and cancel opposite sign 3's and then solve.
The awnser is 16 because 6 times 3 is 18 - 2 is 16
Multiplication, hope I could help!
D is the answer to the question