Укажите решение неравенства

\(\displaystyle 6x+3< 5x+9{\small . }\)

• \(\displaystyle (-\infty ; 6)\)
• \(\displaystyle (6;+\infty )\)
• \(\displaystyle (-\infty ; 12)\)
• \(\displaystyle (12;+\infty )\)