Respostas

2014-07-21T14:13:14-03:00
X+180-x+180-x+120
x-2x=-180-180-120
-x=480

1 5 1
95+100+110+y qual é a resposda :
y=-95-100-110
y=-305
OBRIGADA
A melhor resposta!
2014-07-21T14:13:44-03:00
X+180-x+180-x+120=0
x-x-x=-180-180-120
-x=-360-120 .(-1)
x= 360+120
x=480
1 5 1
95+100+110+y
y=-110-100-95 --->y=-305
OBRIGADA
de nada :)