The solution of 2x -3=7

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?

On a architect's drawing of a house, 1 inche representa 1.5

What is the solution of the systems of equations? y=2/3x+3 x=-2