Respuestas

2013-05-09T09:02:43+02:00

ecuacion lineal

5(3x+x)+3(x)+x=48

15x+5x+3x+x=48

24x=48

 x=48/24

x=2

 

verificacion

5[(3(2)+2) ]+3(2)+2=48

5[6+2] + 6+ 2 =48

40 + 6+ 2 =48

48=48