Respostas

2013-12-11T09:10:03-02:00
X+3x=360- 40-60
4x=260
x=260 dividido por 4=65
2013-12-11T09:37:11-02:00
x+40+3x+60=360
4x = 360 - 40 - 60
4x = 260
x = 260/4
x = 65