Answered: Can step 4 please be explained. I'm not…

Can step 4 please be explained. I'm not sure I understand the calculations. No handwriting please. I have a hard time understanding. Thank you for your help

Algebra and Trigonometry (MindTap Course List)

4th Edition

ISBN:9781305071742

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

ChapterP: Prerequisites

SectionP.9: Modeling With Equations

Problem 1E

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Can step 4 please be explained. I'm not sure I understand the calculations.

No handwriting please. I have a hard time understanding. Thank you for your help.

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