Respuesta :

Answer:

a[tex]\geq[/tex]16

Step-by-step explanation:

3+a[tex]\geq[/tex]19

-3    -3

a[tex]\geq[/tex]16

(see below) (The line I drew represents where a is and if it is to be greater or equal to it must be 16 or over)

Ver imagen daviduba0985