Question

resolva as inequacoes ​

Answer 1

Resposta:

Explicação passo a passo:

b) 2x - 15 < - x

2x + x < 15

3x < 15

x < 15:3

x < 5

e) 3x + 8 < 5 + 5x

3x - 5x < 6 - 8

-2x < -2       .(-1 )  e inverte

2x > 2

x > 2:2

x > 1