Zad 34 zdjecie obok prosze na wczoraj

12(16 - c)/2 : 12c/2 = 3 12(16 - c)/2 * 2/12c = 3 (16 - c)/c = 3 16 - c = 3c 16 = 3c + c = 4c c = 16 : 4 = 4