5 4x 4 2x 9 July 8, 2019 16 32 64 128 5 (- 2x 4 )- 3 4x 5 )= 97 4x 5 4 2x 9 2 Dfrac 4x 5 4 2x dfrac 9 2 2 4x 5 )- 4 6 2x 9 2x 5 4x 3 4 9 9x 2 4x 5 2x 4 x 12 4 2x 8 )- 5 4x 9 4 2x 7 )- 5 4x 9 5 4 x 1 )= 7 2x 9 4x 7 5 2x 1 4x 9 4 x
