At what temperature (in degree celsius), the numerical values on Celsius and Fahrenheit scales beco

Q. At what temperature (in degree celsius), the numerical values on Celsius and Fahrenheit scales become equal?
Answer: -40
Notes: To find the temperature when both are equal, we use an old algebra trick and just set ºF = ºC and solve one of the equations. So the temperature when both the Celsius and Fahrenheit scales are the same is -40 degrees.

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