Rozwiąż równania.


6x – 7(11+2x) + 2 = -4 (15 – x ) + 3x


3(5x +3) = 7(x+5) – 3(2-x)


4−x3

4−x3


=

x+62

x+62




5x−39

5x−39


=

x+312

x+312




2(x+3)9

2(x+3)9


– 4 =

2x+36

2x+36


– x.