Work Step by Step
Because the signs are the same, add the absolute value of (-9) and (-7) which is 9 + 7 = 16 and put a negative sign in front of the result, -16
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.