# NCERT Class 8 Mathematics Solutions: Chapter 2 –Linear Equations in One Variable Exercise 2.2 Part 1

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**Question: 1** If you subtract from a number and multiple the result by you get what is the number?

**Answer:**

Let the number be x.

**Question: 2** The perimeter of a rectangular swimming pool is 154 m. Its length is 2 m more than twice its breadth. What are the length and the breadth of the pool?

**Answer:**

Let the breadth of the pool be m.

2 m. more than twice its breadth.

Perimeter (P) =

Breadth of the pool = 25m

Length of the pool:

Length of the pool = 52m

Hence, the length of the pool is 52m and breadth is 25m.