Answer :
Answer:
[tex]x \geqslant 12[/tex]
Step-by-step explanation:
[tex]x - 8 \geqslant 4[/tex]
Move the constant to the right-hand side and change its sign
[tex]x \geqslant 4 + 8[/tex]
Add the numbers
[tex]x \geqslant 12[/tex]
Alternate form
x∈[12 , + ∞》