Respuesta :

Answer:

6 and or d

Step-by-step explanation:

6x is just 6 time ? so 6 time 6 is 36 minus 3  which is greator than 21

Answer:

D

Step-by-step explanation:

6x - 3 > 21    

6x > 21 + 3

6x > 24

x > 24 ÷ 6

x > 4

So x ∈ (4, +∞)

then the only solution from given is 6