7) 7 8x = - 2x - 5 July 8, 2019 16 32 64 128 7 8x =- 2x 5 7 8x =- 2x 5 найти корень 7 8x 2x 55 2x 7 5 x 7 = 35 7) 7 + 8x = - 2x - 5