\ \
The inequality is . \ \
Solve the inequality. \ \
\ (Original inequality) \ \
(Apply distributive property:
) \ \
(Add
to 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)
(Subtract:
)
(Multiply)
Therefore, is true inequality.
Case(ii):
(Original inequality)
(Substitute
)
(Multiply)
(Subtract:
)
(Multiply)
Therefore, is true inequality.
The solution set of the inequality is .