Question

dam naj i 20 punktów
Rozwiąż równania
1. 2(x – 3) + 3(4 – x) = 5

2. 3(x – 4) -2(2x – 5) = -4

3. 2(x+ 4) -5(x + 3) = 2

4. -2(x + 3) + 4(2x + 3) = -6

5. 2x – (1 – 4x) = 2 + (8x – 5)

6. 4 – 2(5 – x) = x – 4(x – 1)

7. 7 –(3x +4) = (x + 1) – (2x + 4)

8. x + 3 – (4 – x) = 3x – (2x – 3)

Answer 1