What two numbers add to 1 and subtract to 4?

Here we will tell you what two numbers add to 1 and subtract to 4 and prove that our answer is correct.

The two numbers that add to 1 and subtract to 4 are:

2.5 and -1.5

And here is the math to prove that our answer to "What two numbers add to 1 and subtract to 4?" is correct:

Add:
2.5 + (-1.5) = 1

Subtract:
2.5 - (-1.5) = 4

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