Simple Equations — Chapter Summary
Gujarat Board · Class 7 · Mathematics
Summary of Simple Equations for Gujarat Board Class 7 Mathematics. Part of the Gujarat Board Class 7 Mathematics syllabus.
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Overview
Simple equations are mathematical statements that show two expressions are equal. They use variables (letters like x, y, z) to represent unknown numbers. In this chapter, you will learn how to write equations from word problems, understand what makes an equation, and most importantly, solve equation
Key Concepts
A variable is a letter (like
A variable is a letter (like x, y, z, m, n) that represents an unknown number or a quantity that can change. It does not have a fixed value. For examp
An expression is a combination
An expression is a combination of variables and numbers connected by mathematical operations (addition, subtraction, multiplication, division). Exampl
An equation is a mathematical statement
An equation is a mathematical statement with an equality sign (=) showing that two expressions have the same value. An equation always has LHS (Left H
A solution is the value
A solution is the value of the variable that makes the equation true (satisfies the equation). For example, in the equation x + 3 = 8, the solution is
An equation is like a weighing
An equation is like a weighing balance in perfect balance. Whatever operation you do to one side must be done to the other side to keep the balance. I
Learning Objectives
- Understand what variables and expressions are, and how they form equations
- Learn to identify and write equations from verbal statements and real-life situations
- Understand the concept of a solution to an equation
- Master the method of solving equations by performing same operations on both sides
- Learn transposition technique as a shortcut for moving terms in equations
Frequently Asked Questions
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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