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

(Apply commutative property of addition:
)
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
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 6.7, a number gretar than 6.7 in
.
(Substitute:
)
(Multiply:
)
(Add:
)
The inequlity is true.
The inequlity solution is
.