3 1 2x 2 7 9 July 8, 2019 16 32 64 128 3 2x 1 2 x 2 7 4 9 3 x 2 )+ 2x 7 x 1 )+ 9 3 x 4 )/ 14 2 2x 1 )/ 7 9 7 4x 3 )- 9 2x 1 )= 2 x 9 2 7+3x=9(x-2 1) 2 2=3x-1 7
