Rozwiąż równania:

1) 3x + 2 = 8

2) 2x + 4 = x – 3

3) x = 1/5x - 3

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

5) 5x – 2(x + 4) = 10

6) 1/4x + 2 = x + 1

7) 2( x + 1) = 1 – x

8) 1/2x + 1/3 = 2 + x

9) 5x(x + 5) = 0