# 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