Question

suponha que a#b signifique a-2b se 2#(1#n)=12 N e igual a?

Answer 1

$1#N = 1-2N 2#(1#N) = 12 2#(1 – 2N) = 12 2 – 2.(1 – 2N) = 12 2 – 2 + 4N = 12 4N = 12 N = 12/4 N = 3$