Respuesta :

Answer:

7

Step-by-step explanation:

Step 1:

x + 2x + 5 = x + 19       Equation

Step 2:

3x + 5 = x + 19        Combine Like Terms

Step 3:

2x + 5 = 19       Subtract x on both sides

Step 4:

2x = 14        Subtract 5 on both sides

Step 5:

x = 14 ÷ 2        Divide

Answer:

x = 7

Hope This Helps :)