The inequality .
Apply Addition property of inequality: add to 3 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 less than -1 in .
(substitute:v=-2)
(multiply:
)
(subtract:
)
this value is true
\The inequality solution is .