You first have to do distributive property to get -18r-1=14-r, now get teh smallest r to the other side, in this case add 1r to both sides to get -17r=14, now add 3 to both sides to get -17r=17, now divide by -17 to leave r by itslef and get teh answer of r=-1
Hope this helps
Quadrant 2 or 4. All points in quadrant 1 are both positive, all points in quadrant 3 are both negative.
The lines mean that they are parallel
