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  • Usuário do Brainly
2013-11-21T19:36:16-02:00
5x-1≥9 
5x
≥1+9
5x≥10
x≥10/5
x≥2
2013-11-21T20:32:12-02:00
Essa facil  tava facil

 5x-1≥9 
5x
≥1+9
5x≥10
x≥10/5
x≥2