What two numbers add to 21 and subtract to 4?

Here we will tell you what two numbers add to 21 and subtract to 4 and prove that our answer is correct.

The two numbers that add to 21 and subtract to 4 are:

12.5 and 8.5

And here is the math to prove that our answer to "What two numbers add to 21 and subtract to 4?" is correct:

Add:
12.5 + 8.5 = 21

Subtract:
12.5 - 8.5 = 4

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