Respuestas

2012-04-05T02:11:37+02:00

n-(9n-8)=-[5-2n-3(2n-2)]+35

n-9n+8=-[5-2n-6n+6]+35

n-9n+8=-5+2n+6n-6+35

-8n+8=8n+24

8-24=8n+8n

-16=16n

-16/16=n

-1=n

2012-04-05T02:27:21+02:00

 dist bien los dtos porq me da asi

n-(9n-8)=(5-2n-3(2n-2)+35)

  n-9n+8= (5-2n-6n+6+35)

    -8n+8= 46-8n

       8-46=-8n-8n