SOLUTION: solve |x+8| greater than or equal to 7

Question 348009: solve |x+8| greater than or equal to 7

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given inequality

Break up the absolute value (remember, if you have , then or )

or Break up the absolute value inequality using the given rule

Now lets focus on the first inequality

Start with the given inequality

Subtract 8 from both sides

Combine like terms on the right side

Now lets focus on the second inequality

Start with the given inequality

Subtract 8 from both sides

Combine like terms on the right side

----------------------------------------------------

Answer:

So our answer is

or

which looks like this in interval notation

if you wanted to graph the solution set, you would get

Graph of the solution set in blue and the excluded values represented by open circles

If you need more help, email me at jim_thompson5910@hotmail.com

Also, feel free to check out my tutoring website

Jim
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