8 2x 3 ) 7 4 2 x )- 1 July 8, 2019 16 32 64 128 8 2x 3 )+ 7 4 2 x )- 1 - 2 8(3x + 7) - 4 2=1 4 (x + 3)/8 = (2x - 1)/7
