3 5x 10 ) 10 July 8, 2019 16 32 64 128 3 5x 10 )+ 10 2x 3 3 10 5x 10 5x 10 11 (- 3 2x )= 10 3 5x 10 10 6x x 10 2x 3 3 10x 5x 10 2 5x 3 10 9 10 5x 10 3 2x 10 4x 45 5x 10 3 10 (- 7x 2 5x 10 10x 3 3 5x 9 10 =- 1 5x 23 10 10 5x3 3 x-5=x+3
