What two numbers add to 9 and subtract to 78?

Here we will tell you what two numbers add to 9 and subtract to 78 and prove that our answer is correct.

The two numbers that add to 9 and subtract to 78 are:

43.5 and -34.5

And here is the math to prove that our answer to "What two numbers add to 9 and subtract to 78?" is correct:

Add:
43.5 + (-34.5) = 9

Subtract:
43.5 - (-34.5) = 78

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