Question

find the temperature which is same in both celsius and fahrenheit scale of temperature
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Answer 1

-40° C = -40°F

Explanation:

let C = F

=> C = (5/9) (F- 32)

=> F = (5/9) (F-32)

=> 9F = 5F - (5×32)

=> 4F = - 160

=> F = -40

=> C = F at 40°

Answer 2

sorry..

it's answer is -40