Answer
T = { } There are no values of x where 0 < 0, so we use the null set.
Work Step by Step
$-3*(4x+8) +1 \lt -23 -12x$
$-3*(4x+8) +1-1 \lt -23 -12x-1$
$-3*(4x+8) \lt -24 -12x$
$-12x-24 \lt -24 -12x$
$-12x-24 +12x + 24 \lt -24 -12x +12x + 24$
$0 \lt 0 $