Answer:
Step-by-step explanation:
[tex]-12u-\left(-11u\right)-4u+7u-5u=14\\\\\mathrm{Apply\:rule}\:-\left(-a\right)=a\\-12u+11u-4u+7u-5u=14\\\\\mathrm{Add\:similar\:elements:}\:-12u+11u-4u+7u-5u=-3u\\-3u=14\\\\\mathrm{Divide\:both\:sides\:by\:}-3\\\frac{-3u}{-3}=\frac{14}{-3}\\\\Simplify\\u=-\frac{14}{3}\\\\u = -4\frac{2}{3}[/tex]
