Mathematics, 30.10.2020 18:00, Elliewop

A brother and sister are comparing their ages. The older sister is 8 years less than twice the brother’s age. The sum of their ages is 25 years. Let "x" be the age of the brother. Set up and solve an equation for x.

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A brother and sister are comparing their ages. The older sister is 8 years less than twice the broth...