5.6 - 7(0.8x + 1) = 14 - 5.32x;

5.6 - 7 * 0.8x - 7 * 1 = 14 - 5.32x;

5.6 - 5.6x - 7 = 14 - 5.32x;

-5.6x + 5.32x = 14 - 5.6 + 7;

x(-5.6 + 5.32) = 15.4;

-0.28x = 15.4;

x = 15.4 : (-0.28);

x = -55.