Question

Resolva o sistema : -2x-6y=6 x+7y=-3 Urgenteeeee 20 pontos

Answer 1

-2 x=6+7 y+6 y
-2 x=6+13 y
x=-3-13-2 y
resposta
x=-3-13-2 y,y e r
espero te ajudado