Respostas

  • Usuário do Brainly
2013-11-24T14:20:28-02:00
10x - 20 = 40 + 50
10x = 90 + 20
10x = 110
x = 110/10
x = 11
1 5 1
2013-11-24T14:22:42-02:00
10x - 20 = 40 + 50

10x - 20 = 90

10x = 90 + 20

10x = 110

x = 110/10

x = 11
1 5 1