Respuesta :

mathstudent55

Answer:

20

Step-by-step explanation:

10x + □ = 5(2x + 4)​

Use the distributive property on the right side.

5 × 2x = 10 x; 5 × 4 = 20

10x + □ = 10x + 20​

10x + 20 = 10x + 20