The inequality .
According to Distributive property:
.
Apply Substraction property of inequality: subtract from 8 each side.
\ (Additive inverse property:
)
(Additive identity property:
)
(subtract:
)
(Divide each side by 2)
(cancel commen terms)
(Divide:
)
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 greater than 4 in .
(substitute:s=2)
(Add:
)
(Multiply:
)
this value is true
\The inequality solution is .