
The inequality
.
Apply Subtraction property of inequality: Subtract 9 from each side.
\
(Additive inverse property:
)
(Additive identity property:
)
(Subtract:
)
Apply division property of inequality: Divide each side by 5.
\
(Cancel commen terms)
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, substitute a number less than -1 in equality
.
(Substitute x = -2)
(Multiply:
)
(Subtract:
)
this value is true
The inequality solution is
.