What two numbers add to 1 and subtract to 10?

Here we will tell you what two numbers add to 1 and subtract to 10 and prove that our answer is correct.

The two numbers that add to 1 and subtract to 10 are:

5.5 and -4.5

And here is the math to prove that our answer to "What two numbers add to 1 and subtract to 10?" is correct:

Add:
5.5 + (-4.5) = 1

Subtract:
5.5 - (-4.5) = 10

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