If EF = 7x , FG = 3x , and EG = 10 , what is EF? By segment addition: EF + FG = EG 7x + 3x = 10 To solve this equation for x, we type it in our search engine and we get: x = 1 Evaluating EF = 7x with x = 1, we get: EF = 7 * 1 EF = 7
