Motode Substitusi 1.3x + y = -x + 2y = 1 2.x + 5y = -5 dan x+y+5 = 0 tolong jawab pake caranya

2). x + 5y = -5
     x + y + 5 = 0 => x = -y - 5
   
     x + 5y = -5
     (-y - 5) + 5y = -5
     4y = 0
       y = 0

     x + 5y = -5
     x + 5 (0) = -5
     x = -5