The inequality is .
Writer as
or
.
The first inequality is .
Apply addtion property of inequlity: Add w to each side.
\ (Apply addtive inverse property:
)
(Apply addtive identity property:
)
(Subtract 15 from each side)
(Apply Commutative property of addition:
)
(Apply addtive inverse property:
)
(Apply addtive identity property:
)
(Subtract:
)
The next inequality is .
Apply addtion property of inequlity: Add w to each side.
\ (Apply addtive inverse property:
)
(Apply addtive identity property:
)
(Add 15 to each side)
(Apply Commutative property of addition:
)
(Apply addtive inverse property:
)
(Apply addtive identity property:
)
(Add:
)
Graph the solution set on number line.
The solution set .