Sehyr solved the equation w2−7=11 . She seems to have made an error in her work because the solution she found does not work. Observe Sehyr’s work to find her error and correct it to find the solution to the equation. Sehyr’s work: w2−7=11 w2−7+7=11+7 Using the Addition Property of Equality w22=182 Using the Division Property of Equality w=9