The expression is .
Apply addition property of equality: Add 8n to each side.
\ \ \
(Apply additive inverse property:
) \ \
(Apply additive identity property:
) \ \
Apply division property of equality: Divide each side 8.
\ (Cancel common terms) \ \
(Divide:
)
(Simplify)
The solution set is
Graph the solution set on a number line.
Note: A dot means that this point is included in the solution set.
The solution set is .
The graph is
\