The inequality is .
According to subtraction property of inequality: Subtract from each side.
(Subtract:
)
(Apply commutative property of addition:
)
(Apply additive inverse property:
)
(Apply 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 is true.
The inequality solution set is .