Respuesta :

farahsherif
y+4=0  then y= -4
(1) when y = - 4 then 2x-(-4)-2=0
2x+2=0 so , 2x =-2
then x=-1

(2) 4x+(3*-4)-24=0
4x-12-24=0
4x-36=0 
so,4x=36
then x =36/4=9