pomoże ktoś w tych zadaniach? daje naj!! ☺oprócz 1,2,3

4 c-10 D-2. ............

Zadanie 4. a) 7 + 5 * x = 22 5 * x = 22 - 7 5 * x = 15 | : 5 x = 3 b) 4 * (x - 5) = 12 4 * x - 20 = 12 4 * x = 20 + 12 4 * x = 32 | : 4 x = 8 c) 2 * x - 6 = 14 2 * x = 14 + 6 2 * x = 20 | : 2 x = 10 d) 8 - 3 * x = 2 -3 * x = 2 - 8 -3 * x = -6 | : -3 x = 2 Zadanie 5. a) 6 * x - 8 = 16 6 * x = 16 + 8 6 * x = 24 | : 6 x = 3 b) 8 * (x - 2) = 32 8 * x - 16 = 32 8 * x = 32 + 16 8 * x = 48 | : 8 x = 6 c) 12 - 3 * x = 3 -3 * x = -12 + 3 -3 * x = -9 | : -3 x = 3 d) 9 + 4 * x = 29 4 * x = 29 - 9 4 * x = 20 | : 4 x = 5