Respuesta :
16=2n-2(3+4)
divide both sides by 2
8=n-1(3n+4)
8=n-3n-4
8=-2n-4
add 4 to both sides
12=-2n
divide both sides by -2
-6=n
divide both sides by 2
8=n-1(3n+4)
8=n-3n-4
8=-2n-4
add 4 to both sides
12=-2n
divide both sides by -2
-6=n