SOLUTION: 19) Solve <pre> 4x-7 <-5 or 4x-7 > 2 8 8 </pre>

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Question 146070: 19) Solve

        4x-7 <-5 or 4x-7  > 2
         8            8

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


Start with the first inequality.


Multiply both sides by 8.


Multiply.


Add to both sides.


Combine like terms on the right side.


Divide both sides by to isolate .


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

Answer:

So our first answer is


Which approximates to





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Now let's solve


Start with the given inequality.


Multiply both sides by 8.


Distribute and multiply.


Add to both sides.


Combine like terms on the right side.


Divide both sides by to isolate .


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

Answer:

So our second answer is


Which approximates to





----------------------------- Summary -----------------------------



So the final answer is

OR


which is approximately


OR
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