HELP ASAP ! NEEDANSWERS

Me what is the value of x? showing work would be appreciated - ! : )

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?