Respostas

  • Usuário do Brainly
2014-08-12T19:16:53-03:00
4x-15=-2x+3
4x+2x=3+15
6x=18
x=18÷6
x=3
S= {3}
4 4 4
2014-08-12T19:18:39-03:00
4x-10=-2x +3
4x+2x=+3+10
6=13
     13
      6
x=3
1 5 1