1) 4(x – 8) = 4x – 32;
2) 8 · (x + 3) = 8x + 24;
3) 8 · (7 – x) = 56 – 8x;
4) 12 · (4a – c) = 48a – 12c;
5) 9 · (3a – 7b + 8c) = 27a – 62b + 72c;
6) 12 · (5x + 8y – 3k) = 60x + 96y – 36k.