How to change a subtraction problem into an addition problem

asked Jan 9, 2019 120k views

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6 votes

Hi there!

You can easily change a subtraction problem into a addition problem by switching the terms.

Example:

5+?=9 is 9-5=?

BHF answered Jan 11, 2019

by BHF

5.8k points

4 votes

You can always swap terms:

10 - 5 is the same as saying -5 + 10

Nekomimi answered Jan 15, 2019

6.9k points

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