Respostas

  • Usuário do Brainly
2013-11-18T18:10:21-02:00
6 (3x -4) = 2 (7x - 8)
18x - 24 = 14x - 16
4x = 8
x = 2
2013-11-18T18:12:07-02:00
6.(3x-4)=2.(7x-8)
18x-24=14x-16
18x-14x=-16+24
4x=8
x=8/4
x=2