Answer:
[tex]d=\frac{1}{4}[/tex]
Step-by-step explanation:
[tex]-16(d+1)=-20[/tex]
[tex]-16d-16=-20[/tex]
[tex]-16d=-20+16[/tex]
[tex]-16d=-4[/tex]
[tex]d=\frac{-4}{-16}[/tex]
Hope this helps
