Question

o drobo de un numero aumentado de 6 é maior que 20

Answer 1

2x+6>20
2x>20-6
2x>14
x>14/2
x>7

Answer 2

$2x+6\ \textgreater \ 20\to\\\\ 2x\ \textgreater \ 20-6\to\\\\ 2x\ \textgreater \ 14\to\\\\ x\ \textgreater \ \dfrac{14}{2}\to\\\\ x\ \textgreater \ 7\\\\\\\\ \large\boxed{\boxed{S = \{x~ \epsilon~ \mathbb{R} ~|~x~ \ \textgreater \ ~7 \}}}$