The inequality is
.
Solve inequality.
\
(Original inequality)
(Cross product)
(Multiply)
Rewrite the inequality
or
.
Solve compound inequality.
\Case(i).
\
(Original inequality)
(Subtract
from each side)
(Apply additive inverse property:
)
(Subtract:
)
(Divide each side by
)
(Cancel common terms)
Case(ii).
\
(Original inequality)
(Subtract
from each side)
(Apply additive inverse property:
)
(Add:
)
(Divide each side by
)
(Cancel common terms)
The graph of the solution set for each inequality on a number line diagram.
\
The compound inequality solution set is
.