Question

si 16 (n+8)=16 n-5 es igual a
A) -12
B) -7
C) -2
D)4
E)12

Answer 1

$16(n+8)=16\to n-8= \frac{16}{16}\to n= 1+8\to \boxed{n=9} \\ \\ n-5=9-5\to \boxed{n-5=4}\to opci\'on\ d)$

Espero que te sirva, salu2!!!!

Answer 2

16n+128=16
16n+112=0
16n= -112
n=-112/16
n=-7
n-5 = -7-5=-12
Rpta  a) -12