Jackie and Alexa were working on homework together when Jackie said, “I got
“I think you made a mistake,” said Alexa. Did Jackie make a mistake? Help Jackie figure out whether she made a mistake and, if she did, explain her mistake and show her how to solve the equation correctly. Jackie’s work is shown at right. Homework Help ✎
You can tell if your answer is correct if you substitute it back into the original equation and it checks.