Respuesta :
Answer:
N=21
Step-by-step explanation:
20-3+12/6x2=N
20-3+2x2=N
20-3+4=N
21=N
N=21
20 - 3 + 12/6 x 2 = N
20 - 3 + 2 x 2 = N
20 - 3 + 4 = N
20 + 1 = N
21 = N
N = 21
20 - 3 + 2 x 2 = N
20 - 3 + 4 = N
20 + 1 = N
21 = N
N = 21