What is the solution to this system of equations?
y = 5x – 8
y = 5x + 7

First one: x=1.6 or 1 3/5
second: x=0.2

Exposed great deposits of coal and iron ore

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.