20x - 12 = 14 - 2x = ?

Odpowiedź :

[tex]20x - 12 = 14 - 2x\\\\20x + 2x = 14 + 12 \\\\22x = 26 | : 22[/tex]

[tex]x = \frac{26}{22}[/tex]

[tex]x = \frac{13}{11}[/tex]

2-x + 2x = 14 + 12

22x = 26 |:22

x = 13/11