Factors of 9 that add up to 18

We take "Factors of 9 that add up to 18" to mean "What combination(s) of two factors of 9 when added together will equal 18?"

We find the solution by first listing all the factors of 9 and then we find all the different combinations of two factors of 9 that when added together equal 18.

The factors of 9 are 1, 3, and 9.

After trying all the different ways of adding the factors above together, we found the following combination(s) of two factors of 9 that add up to 18 to be as follows:

9 + 9 = 18

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