What two numbers add to 1 and subtract to 8?

Here we will tell you what two numbers add to 1 and subtract to 8 and prove that our answer is correct.

The two numbers that add to 1 and subtract to 8 are:

4.5 and -3.5

And here is the math to prove that our answer to "What two numbers add to 1 and subtract to 8?" is correct:

Add:
4.5 + (-3.5) = 1

Subtract:
4.5 - (-3.5) = 8

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