Question

Resolva as inequações:
x + 9 > 18                 5x > 18 + 72             2.( x + 1) < 48​

Answer 1

Resposta:

9, 18, 23

Explicação passo-a-passo:

x + 9 > 18

x > 18 - 9

x > 9

____________

5x > 18 + 72

5x > 90

x > 90/5

x > 18

_____________

2 × ( x + 1) < 48

2x + 2 < 48

2x < 48 -2

2x < 46

x < 46/2

x < 23