Question #dc951
1 Answer
Sep 22, 2017
Explanation:
We need to solve this for both a positive and negative value in the absolute bars., this is because the absolute value is always positive so:
Remove bars:
Subtract 4 from both sides:
Divide both sides by 10:
Now solve for
Remove bars:
Remove bracket by multiplying:
Add 4 to both sides:
Divide both sides by -10:
Solutions are: