What two numbers add to 1 and subtract to 80?

Here we will tell you what two numbers add to 1 and subtract to 80 and prove that our answer is correct.

The two numbers that add to 1 and subtract to 80 are:

40.5 and -39.5

And here is the math to prove that our answer to "What two numbers add to 1 and subtract to 80?" is correct:

Add:
40.5 + (-39.5) = 1

Subtract:
40.5 - (-39.5) = 80

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