
The inequality is
.
Apply subtraction property of inequality: Subtract
from each side.

(Subtract:
)
(Commutative property of addition: a + b = b + a)
(Additive inverse property:
)
(Additive identity property:
)
Graph the solution set on a number line
Note: A dot means that this point is included in the solution set.
Check:
\To check, substitute a number
or less than or equal to
, in
.

(Multiply:
)
(Subtract:
)
The inequality solution set is
.