Respuesta :

Answer:

14

Step-by-step explanation:

Replace n with 1/2

5(1/2 + 3) -7(1/2)

17.5 - 3.5

=14

So, n=14

Answer:

14

Step-by-step explanation:

5(n + 3) -7n

putting value of n

5(1/2 + 3) - 7/2

5(0.5 + 3) - 3.5

5(3.5) - 3.5

17.5 - 3.5

14