
The inequality is
.
(Product of two differnt signs is negative)
Apply addition property of inequality: Add 12 to each side.
\
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Add:
)

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 greater than 37 in 
(Substitute
)
(Subtract:
)
The inequality is true \ \
The inequality solution is
.