7 2 3 4x 9 July 8, 2019 16 32 64 128 7 4x 3 2 9 2x 9 2 3 4x )= 3x 7 3 4x 9x 2 8x 2 7 7 2 3 4x 2x 9 2 1 15x 2 3 4x 7 2 =- 9x 5 6 7 2 4 3x 3 3 9 4x 7 2 x 3 6 9 4x 8 Solve 2 3 4x 7 2 =- 9x 5 6 3 4x 7 )- 2 x 9 )= 31 2 9 x 3 )= 4x 7 9 3 4x 7 )=- 2 x 6
