

The inequality
.
Apply subtraction property of inequality: Subtract 9 from each side.
\
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
Apply multiplication property of inequality: Multiply each side by 3.
\
(Cancel common terms)
(Multiply:
)
(Divide each side by 2)
(Cancel common terms)
(Divide:
)

Check:
\To check, substitute a number
or greater than or equal to
in
.
(Substitute
)
(Multiply:
)
(Divide:
)
(Add:
)
The inequality is true.
The inequality solution is
.