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NCERT Solutions for Class 7 Maths Chapter 2 - Linear Equations in One Variable - Exercise 2.3 (Ques 1-10)

FAQs on NCERT Solutions for Class 7 Maths Chapter 2 - Linear Equations in One Variable - Exercise 2.3 (Ques 1-10)

1. How do you solve linear equations in one variable?

Ans. To solve a linear equation in one variable, we need to isolate the variable term on one side of the equation and simplify the other side. We can do this by using properties of equality and performing the same operations on both sides of the equation until we obtain the value of the variable.

2. What is the importance of solving linear equations in one variable?

Ans. Solving linear equations in one variable is important as it helps us find the value of the unknown variable. It allows us to solve real-life problems involving unknown quantities, such as finding the cost of an item, determining the time taken to complete a task, or calculating the distance traveled.

3. Can linear equations in one variable have more than one solution?

Ans. No, linear equations in one variable can have only one solution. The solution represents the value of the variable that satisfies the equation. If there are multiple solutions, it means that the equation is not linear or that the equation has been solved incorrectly.

4. What are the different methods to solve linear equations in one variable?

Ans. There are different methods to solve linear equations in one variable, such as the method of substitution, the method of elimination, and the method of cross-multiplication. These methods involve manipulating the given equation to isolate the variable and find its value.

5. How can linear equations in one variable be applied in real-life situations?

Ans. Linear equations in one variable can be applied in various real-life situations. For example, they can be used to calculate the cost of items based on their quantity, find the time taken to complete a job based on the rate of work, or determine the distance traveled based on the speed and time taken. These equations help in solving practical problems efficiently.

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Sep 23, 2025 Last updated

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