Respostas

2014-06-12T14:42:20-03:00
5x-2<1
5x<1+2
5x<3
x<3/5

2x-1<1
2x<1+1
2x<2
x<2/2
x<1
  • Usuário do Brainly
2014-06-12T14:46:05-03:00
5x -2 ≤ 2x -1

5x -2x  ≤ -1  +2

3x ≤ 1

x≤ 1/3

S= {x ∈R/ x ≤ 1/3 }