2x 3 5 20 July 8, 2019 16 32 64 128 2x 3 x 5 )= 20 2 2x 3 )+ 5 x 20 Solve 5 2x 3 )= 20 20 4x 2x 3 5 2x 3 6 x 5 20 5 2x 3 )- 7x 20 X 1 4 2x 3 5 1 20