The inequality is
.
Apply multiplication property of inequality: Multiply each side by 2.
\
(Cancel common terms)
(Multiply:
)
(Multiply each side by negative one and flip the symbol)
(Product of two same signs is positive)
Graph the solution set on a number line
\Check:
\To check, substitute 6, a number greater than 4 in
.

(Divide:
)
The inequality solution set is
.