Set the equation inside the absolute value brackets equal to 12 and -12, so you will end up with two answers.
7x+2=12 gives you 10/7
7x+2=-12 gives you -2.
So your answers are 10/7 and -2
Answer:
116.6 pounds
Step-by-step explanation:
Set up a proportion where x is the weight of her desk in pounds:
= 
Cross multiply:
x = 116.6
So, her desk is 116.6 pounds
Answer: -2.5
Step-by-step explanation:
The average can be found by adding up the numbers then dividing by how many numbers there are in this case there are two numbers.
-30+25=-5
-5/2 = -2.5