The inequality is .
Solve the inequality.
\ (Original inequality)
(Add
to each side)
(Apply additive inverse property:
)
(Add:
)
(Subtract
from each side)
(Apply additive inverse property:
)
(Subtract:
)
(Divide each side by
)
(Cancel common terms)
\
The graph of the solution set on a number line diagram.
\A dot means that this point is included in the solution set.
Check solution for -value.
Case(i):
(Original inequality)
(Substitute
)
(Multiply)
(Substitute:
and
)
Therefore, is false inequality.
Case(ii):
(Original inequality)
(Substitute
)
(Multiply)
(Substitute:
and
)
Therefore, is true inequality.
The solution set of the inequality is .