Im justso confused for that one

Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x