Question

9+4(x-12)<8-x помогите решить плиз

Answer 1

$9 + 4(x - 12) < 8 - x \\ 9 + 4x - 48 < 8 - x \\ - 39 + 4x < 8 - x \\ 4x + x < 8 + 39 \\ 5x < 47 \\ x < \frac{47}{5} \\ x < 9 \frac{2}{5} \\ x < 9.4$