Respostas

2013-11-10T18:08:40-02:00
-5(x+2)=4x
-5x-10=4x
-5x-4x=10
-9x=10
x=10/9
  • Usuário do Brainly
2013-11-10T18:09:21-02:00
- 5*(x + 2) = 4x
- 5x - 10 = 4x
- 5x - 4x = 10
- 9x = 10 multiplique por (-1)
9x = - 10
x = - 10/9 ou x= - 1,1....
1 5 1