Respostas

  • Usuário do Brainly
2013-11-19T16:39:17-02:00
2/2x-1 = 5/x+1
2x + 2 = 10x - 5
7 = 8x
x = 7/8
1 3 1
2013-11-19T16:42:20-02:00
2/2x-1=5/x+1
2 (x+1)=5(2x-1)
2x+2=10x-5
2x-10x=-5-2
-8x=-7
x=-7/-8
x=7/8
1 5 1