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