What two numbers add to 1 and subtract to 79?

Here we will tell you what two numbers add to 1 and subtract to 79 and prove that our answer is correct.

The two numbers that add to 1 and subtract to 79 are:

40 and -39

And here is the math to prove that our answer to "What two numbers add to 1 and subtract to 79?" is correct:

Add:
40 + (-39) = 1

Subtract:
40 - (-39) = 79

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