Question

Resolvendo:
xy + ab - rt - as + wq -ab + rt - wq -xy chegamos ao resultado de :

Answer 1

Olá Geovana!

Organizando os termos,

$\\ \mathsf{xy + ab - rt - as + wq - ab + rt - wq - xy =} \\\\ \mathsf{xy + ab + wq + rt + (- rt - as - ab - wq - xy) =} \\\\ \mathsf{(xy - xy) + (ab - ab) + (wq - wq) + (rt - rt) - as =} \\\\ \mathsf{0 + 0 + 0 + 0 - as =} \\\\ \boxed{\mathsf{- as}}$