What two numbers add to 1 and subtract to 40?

Here we will tell you what two numbers add to 1 and subtract to 40 and prove that our answer is correct.

The two numbers that add to 1 and subtract to 40 are:

20.5 and -19.5

And here is the math to prove that our answer to "What two numbers add to 1 and subtract to 40?" is correct:

Add:
20.5 + (-19.5) = 1

Subtract:
20.5 - (-19.5) = 40

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