4 2x 9 7x July 8, 2019 16 32 64 128 4 2x 9 )- 7x 25 4 2x 9 )+ 7x =- 24 7x 5 4 2x 9 4 2x 1 )= 7x 9 Solve 2x 4 7x )=- 9 7x 1 4 2x 9 3 9 7x 4 2x 9 3x 5 2x 9 7x 4 5x 2x 9 5x 4 7x 3x 2 4 2x 5x 7x 9
