By 2020, California is expected to have 2 million more senior citizens than Florida, and the sum of the number of senior citizens in the two states is expected to be 12 million. Find the expected senior citizen population in Florida in 2020. a.
2x + 12 = 12; 0 million
c.
2x + 2 = 12; 5 million
b.
2x - 12 = 12; 24 million
d.
2x - 2 = 12; 7 million