Answer:
z= -3.9
Step-by-step explanation:
[tex]\frac{z+5.1}{2}=0.6 \\\\\mathrm{Multiply\:both\:sides\:by\:}2\\\frac{2\left(z+5.1\right)}{2}=0.6\cdot \:2\\\\Simplify\\z+5.1=1.2\\\\\mathrm{Subtract\:}5.1\mathrm{\:from\:both\:sides}\\z+5.1-5.1=1.2-5.1\\\\Simplify\\z=-3.9[/tex]
