Question

alguém me ajuda, rápido

g) 3. (x - 1) - 2x > 13

h) 9. (x - 2) – 5. (x – 3) < 1

Answer 1

Resposta:

g) 3 • ( x - 1 ) - 2x > 13

3x - 3 - 2x > 13

3x - 2x > 13 + 3

x > 16

h) 9 • ( x - 2 ) - 5 • ( x - 3 ) < 1

9x - 18 - 5x - 15 < 1

9x - 5x < 1 + 18 + 15

4x < 34

x < 34/4

x < 8.5