Current location - Education and Training Encyclopedia - Educational Knowledge - A school organizes seventh-grade students to study in Red Star Education Base. When decorating the boys' dormitory, if there are 4 people in each dormitory, there will be 20 people left. If every dorm
A school organizes seventh-grade students to study in Red Star Education Base. When decorating the boys' dormitory, if there are 4 people in each dormitory, there will be 20 people left. If every dorm
A school organizes seventh-grade students to study in Red Star Education Base. When decorating the boys' dormitory, if there are 4 people in each dormitory, there will be 20 people left. If every dormitory There are x boys and n dormitories, with 4n+20 = x, 8 (n- 1).

Bring the first formula into the second formula, which is 8 (n- 1).

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