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# How could you check the answer to 27 – 15 = 12 using addition?

Subtraction and addition are inverse arithmetic operations.

## Answer: To check the answer we will add 12 + 15 to get 27.

Let's see the solution.

**Explanation:**

To check 27 - 15 = 12, we will add 12 and 15 to see if we get back 27

⇒ 12 + 15 = 27 by addition.

### Thus, to check 27 - 15 = 12, we will add 12 and 15 to get 27.

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