Answer:
Step-by-step explanation:
[tex]14=\frac{\left(6+z\right)}{-2}\\\\Switch \:sides\\\\\frac{\left(6+z\right)}{-2}=14\\\\\mathrm{Multiply\:both\:sides\:by\:}-2\\\\\frac{\left(6+z\right)\left(-2\right)}{-2}=14\left(-2\right)\\\\Simplify\\\\6+z=-28\\\\\mathrm{Subtract\:}6\mathrm{\:from\:both\:sides}\\\\6+z-6=-28-6\\\\Simplify\\\\z = -34[/tex]
