Resposta :
[tex]2x - 20 = 100 \\ [/tex]
[tex]2x = 100 + 20 \\ [/tex]
[tex]2x = 120 \\ [/tex]
[tex]x = \frac{120}{2} \\ [/tex]
[tex]\boxed{x = 60} \\ [/tex]
Att. NLE Top Shotta
Resposta:
[tex]2x - 20 = 100 \\ 2x = 100 + 20 \\ 2x = 120 \\ \frac{2}{2} = \frac{120}{2} \\ 1x = 60 \\ x = 60[/tex]