Answer :
we start out with:
x-5y=1
+5y +5y
x=5y+1
Now lets fine y:
2x-7y=8
/2x /2x
-7y=4x
/-7 /-7
y=-4x
7
x-5y=1
+5y +5y
x=5y+1
Now lets fine y:
2x-7y=8
/2x /2x
-7y=4x
/-7 /-7
y=-4x
7
