3 4x 18 1 2x July 8, 2019 16 32 64 128 3 4x 18 1 2x 5 1 4x 18 3 4 2x 5 5 2x 3 )- 2 4x 1 )= 18 3 4x+2 18=10 18 - 4 x 2
