Question

{X+4y=0
{3x+2y=5
Me ajudeeeeem

Answer 1

x+4y=0  ==>x=-4y

3*(-4y)+2y=5

-12y+2y=5

-10y=5  ==>y=-1/2

x=-4 * (-1/2)  =2

Resposta : x= 2  e y =-1/2