Respuesta :

Answer:

18= 30- 12= 18

Step-by-step explanation:

Answer:

6

Step-by-step explanation:

6[tex]6 × 3 = (▲ × 5) - (▲ × 2)\\18 = 5▲ - 2▲\\18 = 3▲\\18/3 = ▲\\6 = ▲[/tex]