Respuesta :

Answer:

[tex]x\leq 6[/tex]

Step-by-step explanation:

[tex]5x-9\leq 21[/tex]

Add 9 to each side

[tex]5x-9+9\leq 21+9[/tex]

Divide by 5

[tex]\frac{5x}{5} \leq \frac{30}{5}[/tex]

Input the final result

[tex]x\leq 6[/tex]

good job