Work Step by Step
Given -4.9 + 8.5 + 4.9 + (-8.5), we can use the identity property of 0 to cancel out numbers that add to zero. Reorder: [-4.9 + 4.9] + [8.5 + (-8.5)] = 0 + 0 = 0
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.