Question: Fred has a puzzle. The instruction sheet, which is separate from the equation,simply says: "Make this equation true. You may ONLY draw ONE, PERFECTLY straight line". The equation is all alone on a blank piece of paper and reads: 

```
5+5+5=550

```

There are 4 acceptable answers. You must get all 4 for a correct answer.

Answer: 
1. > 
>  Cross out the equals sign
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2. > 
>  Turn the first $+$ into a 4 giving $545+5=550$
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3. > 
>  Turn the second $+$ into a 4 giving $5+545=550$
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4. > 
>  Turn the equals sign into less than or equal to
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>  5+5+5≠550
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>   
> negating the equality.
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>  Edit:
>    
> You could negate the entire statement, depending on how you interpret the equation...  
> 
>  \_\_\_\_\_\_\_\_\_  
> 
>  5+5+5=550    could evaluate to "true" in some contexts... ^^
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>