How do you tell whether the given value r=8 is a solution to #r-3<=9#?

1 Answer
Nov 12, 2016

Answer:

#r=8# is a solution.

Explanation:

To tell whether the given value is a solution to the inequality, we have to solve the inequality.

#r-3<=9#
Add 3 to each side:
#r<=12#

The given value is #r=8#. This is a solution to the inequality because 8 is within our domain #r<=12#.