Find x if 5x+19=2x+64

Which is the graph of the function y=2(4)^x

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Give all possible names for the line shown.calculation tip: lines can be written with either point first.