Answer:
x=3 and y=5
Step-by-step explanation:
simply multiply one of the equations by -1 so -1(x-4y=-17)
so then 9x-4y=7 plus -x+4y=17 and you eliminate the y variable to get 8x=24
so x=3 then plug it in to get y
9(3)-4y=7
27-4y=7
-4y=-20
so y=5
