Question

-2x + y para x= 3 e y = 2

Answer 1

$= - 2x + y \\ \boxed{x = 3 \: \: e \: \: y = 2} \\ = - 2 \: . \: 3 + 2 \\ = - 6 + 2 \\ \boxed{ = - 4}$

Att. NLE Top Shotta