
The inequality is
.
Apply distributive property: 

(Multiply:
)
Apply subtraction property of inequality: Subtract 10 from each side.
\
(Commutative property:
)
(Additive inverse property:
)
(Additive identity property:
)
(Subtract:
)
(Subtract 3x from each side)
(Commutative property:
)
(Additive inverse property:
)
(Additive identity property:
)
(Subtract:
)
Graph the solution set on a number line
\
Note: A dot means that this point is included in the solution set.
The inequality solution set is
.