Class 7 Exam > Class 7 Videos > How to Solve Simple Equations?- 3
How to Solve Simple Equations?- 3 Video Lecture - Class 7
FAQs on How to Solve Simple Equations?- 3 Video Lecture - Class 7
| 1. How do you solve a simple equation? |  |
Ans. To solve a simple equation, you need to isolate the variable on one side of the equation by performing inverse operations. Start by simplifying both sides of the equation, then apply addition, subtraction, multiplication, or division to isolate the variable.
| 2. What are inverse operations? | |
Ans. Inverse operations are mathematical operations that undo each other. Addition and subtraction are inverse operations, as well as multiplication and division. By applying inverse operations to an equation, you can isolate the variable and find its value.
| 3. Can you provide an example of solving a simple equation? | |
Ans. Sure! Let's solve the equation 2x + 5 = 15.
First, subtract 5 from both sides to get: 2x = 10.
Then, divide both sides by 2 to find: x = 5.
Hence, the solution to the equation is x = 5.
| 4. Is there a specific order to perform the inverse operations? | |
Ans. Yes, there is a specific order to perform the inverse operations when solving an equation. Generally, it is recommended to perform addition/subtraction first and then multiplication/division. However, you can use parentheses or brackets to prioritize specific operations if needed.
| 5. What should I do if there are variables on both sides of the equation? | |
Ans. If there are variables on both sides of the equation, the goal is still to isolate the variable on one side. Start by simplifying the equation and then use inverse operations to move all terms with variables to one side and constants to the other side. Finally, solve for the variable to find its value.
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