How do you solve #abs(-2r-1)=11#?
1 Answer
Oct 30, 2017
Explanation:
This is an absolute value equation meaning that we need to split this into two equations; the original equation and the opposite of it:
Notice that the
Now we can solve this by simplifying. Let's simplify the first one:
Second one:
Now let's check our work by plugging what we got for r back into the original equation
So our two solutions are