The inequality is .
Apply addition property of inequality: Add 13 to each side.
\ (Additive inverse property:
)
(Additive identity property:
)
(Add:
)
(Multiply each side by 8)
(Cancel common terms)
(Multiply :
)
Graph the solution set on a number line
\Note: A circle means that this point is not included in the solution set.
Check:
\To check, substitute a number gratear than 56, in .
(Substitute: w = 64)
(Devide:
)
(Substrate:
)
The inequality is true.
The inequality solution set is .