Could you guys help me with these two question please and also show how you got the answer pleasse

Answer:
D
Step-by-step explanation:
Given
3x - 4 < 8 ( add 4 to both sides )
3x < 12 ( divide both sides by 3 )
x < 4 → D
Answer:
D. x < 4.
Step-by-step explanation:
3x - 4 < 8
3x < 8 + 4
3x < 12
x < 4.