The inequality is .
Above equation can write equivalent equations
\.
Solve for r in inequality .
(Subtract 1 from each side)
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
(Divide each side by 2)
(Cancel common terms)
(Divide:
)
Solve for x in inequality .
(Subtract 1 from each side)
(Apply additive inverse property:
)
(Apply additive identity property:
)
(Subtract:
)
(Divide each side by 2)
(Cancel common terms)
(Divide:
)
The solutions are or
.
Graph the solution set on a number line.
\Note: A circle means that this point is included in the solution set.
The number line of or
is