4 7 2x )= 16 July 8, 2019 16 32 64 128 1 2x 3 4 7 16x 5 8 4 2x 7 16 absolute value $4 abs 2x 7 = 16 Solve 4 2x 7 = 16 4 2x 7 )- 5x 16 16x 7 4 2x 4) (2x + 7) ^ 2 = 169 4/7x = 16
