The inequality is .
Apply subtraction property of inequality: Subtract from each side.
(Additive inverse property:
)
(Additive identity property:
)
(subtract:
)
Graph the solution set on a number line
Note: A circle means that this point is not included in the solution set.
check:
\To check, a number greater than 9 in
.
(Substitute a =
8)
\
(Multiply:
)
(Subtract:
)
The inequlity solution is .