So first, you get the absolute value to one side:

Next, set up two equations; One where the value inside the absolute value lines is positive, and another where it is negative, and solve both for the variable:

Your answers are
8 and -8, or +-8.
Answer:
Its the first choice: right, scalene.
Step-by-step explanation:
It is a right angled triangle, (indicated by the little square at Q).
The sides have different lengths so it scalene.
Answer:
D- The set of whole numbers were 1<_x<18
Step-by-step explanation:
Answer:
{x, y, z} = {-4, 2, 4}
<u>i think this is the answer</u>
Sorry, what exactly is the question?