The equation is
According to subtraction property of inequality: subtract 5 from each side.
\
(Apply additive inverse property:
)
(Apply 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.
Check:
\To check,substitute a number 2 or less than or equal to 2 in .
(Substitute d =5)
(Add:
)
The inequality is true.
The solution set is .