The step-by-step process of adding and subtracting integers is given below. Identify on which step the equation becomes incorrect then explain why it is incorrect.
Equation: 5 + (-7) - (-9) - 2 + 1
Step 1: 5 + (-7) + 9 - 2 + 1
Step 2: -2 + 9 - 2 + 1
Step 3: -7 - 2 + 1
Step 4: -9 + 1
Step 5: -8
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Answer:
Step 1: 5 + (-7) + 9 - 2 + 1 (correct)
Step 2: -2 + 9 - 2 + 1 (correct)
Step 3: -7 - 2 + 1 (wrong)
Step 4: -9 + 1 (wrong)
Step 5: -8 (wrong)
Step-by-step explanation:
Step 3: 7 - 2 + 1
Step 4: 5 + 1
Step 5: 6
Correct me if you're right po. ◉‿◉