... Find xy, it x + y = 6 and x - y = 4. (3)
Answers
Answered by
0
Answer:
5
Step-by-step explanation:
x+y =6
x-y =4. addition
_______
2x = 10
x=5
5+y=6 from eq. 1
y= 1
xy = 5x1
= 5
Similar questions