Question

Resolva as seguintes inequações:

1)x – 5 > 0 4) –x + 3 < 0

2) 2x – 8 < 0 5) -2x + 8 < 0

3) 3x + 7 > 0 6) -3x – 5 > 0​

Answer 1

Resposta:

1) x – 5 > 0

x > 0 + 5

x > 5

2) 2x – 8 < 0

2x < 0 + 8

2x < 8

x < 8 / 2

x < 4

3) 3x + 7 > 0

3x > 0 + 7

3x > 7

x > 7 / 3

4) –x + 3 < 0

-x < 0 - 3

-x < -3 × ( -1 )

x > 3

5) -2x + 8 < 0

-2x < 0 + 8

-2x < 8 × ( -1 )

2x > 8

x > 8 / 2

x > 4

6) -3x – 5 > 0

-3x > 0 + 5

-3x > 5 × ( -1 )

3x < -5

Espero ter ajudado!❤

Qualquer dúvida eu ficarei grata de responder!❤