Respostas

2014-08-07T15:38:33-03:00
2x-5x+3-3x-3+7x
-3x-3x+3-3+7x=0
 -6x+7x=0
 x=0
  • Usuário do Brainly
2014-08-07T15:39:14-03:00
reduzindo temos :
2x-5x+3-3x-3+7x