3 5x 2 3x 5 =- 12 July 8, 2019 16 32 64 128 X 1 3 5x 2 12 5 3x 4 3 /- 5x 5 3x 12x x 2 1 12x 3 5x 2 7x 5 3x 2 3 x-5=x+3
