Respostas

2013-10-13T18:18:56-03:00
X+1+2x= 1-3x
x+1+2x-1+3x=0
x+5x=0
6x=0
x=6

2 4 2
  • Usuário do Brainly
2013-10-13T19:47:13-03:00
x + 1 + 2x = 1 - 3x 
x + 2x + 3x = 1 - 1
6x = 0
x = 0/6
x = 0
3 4 3