Answer:
[tex]\large \boxed{\sf \ \ x \geq -9 \ \ }[/tex]
Step-by-step explanation:
Hello, please find below.
[tex]6\leq x+15\\\\\text{*** subtract 15 from both sides ***}\\\\6-15=-9\leq x \\\\x \geq -9[/tex]
Hope this helps.
Do not hesitate if you need further explanation.
Thank you
