Respuesta :

Answer:

2

Step-by-step explanation:

15+10=5(3+_)

25=5(3+_)

25 divide by 5 equals 5

5-3=2!

Answer:

2

Step-by-step explanation:

When you distribute the 5 to the 3 and the 2 it makes 15 + 10 which is equal to the other side of the equation.