10 4x 6 2x 7 July 8, 2019 16 32 64 128 10 6 2x 1 )= 3 5 4x )+ 7x 10 2x 3 )- 7 4x 6 )= 2 6x 7x2 4x 10 3x2 2x 6 10-4x 6 6x-10 2=4x-2 2