11 5x 2 3 4x July 8, 2019 16 32 64 128 11 5x 2 3 4x )- 16 4x 11 5x )= 3 8x 2 )+ 6 5x 3 2 11 4x 1 )= 1 2 5x 4 )- 11 4x 3 2x 1 −5x = 11 − 2(4x − 2)