Solve first to find y and -9+9 =0
-9x+4y=-17
9x-6y=3
2y= -14
Y= -14/2
Y=-7
Substitute your y answer into first equation solve to find x .
-9x+4(-7)= -17
-9x-28= -17
-9x= -17+28
-9x= 11
X= 11/-9
X= -1.2222 or -1 and 2/9
So answer is (-1.2222, -7)
