6x 12 4x 1 =- x 7x 12 3x 5 July 8, 2019 16 32 64 128 6 x 12 + 7 6x – 12 = 5x + 4 6(7x+12) - 12(5x - 9) 6(7x+12)−12(5x−9) при x = 6x=6
