5 1 2 5x − 10 July 8, 2019 16 32 64 128 10 x 5 1 5x 2 1 5 3 5x 2 10 3x 5 2 5x 1 10 0 10 x 5 1 5x 2 how many solutions 2 5x 5 2x 1 10 3x 6 5 2x 1 2 5x 6 10 − 5x 5 )+ 9 =- 1 2 10x 8 )+ 7 4 5x 2 5 1 10 2 40 5x )= 10x 5 1 x Solve 2 5x 5 2x 1 10 10 5 1 2 5x10