A student made a mistake in the following problem 17 − (−3) and got an answer that was not correct. Identify the step in which the student made the mistake.

Question

Step 1: 17 − (−3)

Step 2: 17 + (−3)

Step 3: 14

Answer 1

In step 2, the student wrote -3 when it was supposed to be positive. It should be 17+(3) so the correct answer is 20.