Respuesta :

Answer:

3x + 4(x + 2) = 71

Step-by-step explanation:

3x + 4(x+2)

3(9) + 4((9) + 2)

27 + 4(11)

27 + 44

71

ck9
Replace x with 9
3x9 + 4(9+2) is your new expression
Solve.
3x9 + 38
27+38
Your answer is 65