1) 5,1 * (x - 2) - 3 * (1,2x - 2) = 5.1x - 10.2 - 3.6x + 6 = 1.5x - 4.2;
2) 3,2 * (x - 5) - 6 * (0,5x - 1)= 3.2x - 16 - 3x + 6 = 6.2x - 10.
1) 5,1 * (x - 2) - 3 * (1,2x - 2) = 5.1x - 10.2 - 3.6x + 6 = 1.5x - 4.2;
2) 3,2 * (x - 5) - 6 * (0,5x - 1)= 3.2x - 16 - 3x + 6 = 6.2x - 10.