The inequality is .
Apply subtraction property of inequality: Subtract from each side.
(Subtract:
)
(Commutative property of addition: a + b = b + a)
(Additive inverse property:
)
(Additive identity property:
)
Graph the solution set on a number line
(Note: A dot means that this point is included in the solution set)
Check:
\To check, substitute a number 2 or less than or equal to
2, in
.
(Multiply:
)
(Subtract:
)
The inequality solution set is .