Question

Aplique a propiedade distribuitiva

a)7(x-1)<5-2x




b)6x-3(4-2x>0


Me ajudem pfv​

Answer 1

Resposta:

a)

$7(x - 1) < 5 - 2x \\ 7x - 7 < 5 - 2x \\ 7x + 2x < 5 + 7 \\ 9x < 12 \\ x < \frac{12}{9} \\ x < \frac{4}{3}$

b)

$6x - 3(4 - 3x) > 0 \\ 6x - 12 + 9x > 0 \\ 6x + 9x > 12 \\ 15x > 12 \\ x > \frac{12}{15} \\ x > \frac{4}{5}$