The inequality is
.
Writer
as 
The first inequality is
.
Apply addtion property of inequlity: Add 2 to each side.
\
(Apply addtive inverse property:
)
(Apply addtive identity property:
)
(Add:
)
The next inequality is
.
Apply addtion property of inequlity: Add 2 to each side.
\
(Apply addtive inverse property:
)
(Apply addtive identity property:
)
(Add:
)
Graph the solution set on number line.
\
The solution set
.