The equation is
and inequality is
.
(a)
\The inequality is
.
Substitute
in above inequality.

Subtract 8 from each term
\
Multiply each term by negative 1, and flip the inequality symbol.
\
Divide each term by 3.
\
The inequality in x - variable is
.
The graph of
is :

\
(b)
\The equation is
and inequality is
.
The inequality is
.
Substitute
.

Subtract 8 from each side
\
(Subtract 8 from each side)
Multiply each term by negative 1, and flip the inequality symbol.
\
Divide each side by 3.
\
The inequality in x- variable is
.
The graph of inequality
is
