1) (К+5) * 7 - 54 = (К+5) * 4
7k + 35 - 54 = 4k + 20; 3k = 39; k = 13;
2) 17 * (с-2) - 36 =19 + (с-2) * 12
17c - 34 - 36 = 19 + 12c - 24; 5c = 65; c = 13
1) (К+5) * 7 - 54 = (К+5) * 4
7k + 35 - 54 = 4k + 20; 3k = 39; k = 13;
2) 17 * (с-2) - 36 =19 + (с-2) * 12
17c - 34 - 36 = 19 + 12c - 24; 5c = 65; c = 13