Answer:
The system has one solution
Step-by-step explanation:
we have
[tex]9x+y=3[/tex] ------> equation A
[tex]9x-y=7[/tex] ------> equation B
Adds equation A and equation B
[tex]9x+y=3\\9x-y=7\\-------\\9x+9x=3+7\\18x=10\\x=10/18\\x=5/9[/tex]
find the value of y
[tex]9(5/9)-y=7[/tex]
[tex]5-y=7[/tex]
[tex]y=5-7=-2[/tex]
The solution is the point (5/9,-2)
