Question

qual o valor inteiro que satisfaz simultaneamente as inequacoes x-3x-1/2 > 0 e x-3x+1/4 <0?

Answer 1

x-3x-1/2 > 0 -2x > 1                 mmc = 2
          2

- 4x > 1(-1)

4x < - 1

x < - 1/4
============================x-3x+1/4 <0-2x < -1
          4

- 8x < - 1(-1)

8x > 1

x > 1/8