4 2x 1 )= 28 July 8, 2019 16 32 64 128 3x 4 2x 1 )= 3x 28 Solve 4 2x 1 )= 28 4 x 1 )= 2x 28 3x 4 14 1 2x 28 1 - 2 = 4
