# Pair Of Linear Equations In Two Variables

#### Question 4:

The students of a class are made to stand in rows. If 3 students are extra in a row, there would be 1 row less. If 3 students are less in a row, there would be 2 rows more. Find the number of students in the class.

#### Answer:

Let the
number of rows be *x* and number of students in a row be *y*.

Total students of the class

= Number of rows × Number of students in a row

= *xy*

Using the information given in the question,

**Condition
1**

Total
number of students = (*x* − 1) (*y* + 3)

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