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Chapter Summary

Simple Linear Equations — Chapter Summary

ICSE · Class 7 · Mathematics

Summary of Simple Linear Equations for ICSE Class 7 Mathematics. Part of the ICSE Class 7 Mathematics syllabus.

47 questions26 flashcards8 formulas & key relations5 concepts

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Overview

Simple linear equations are statements in which two expressions are equal and one unknown value is found by solving. The variable is usually x, y, or z. A solution is the value of the variable that makes the equation true. Solving an equation means finding that value by keeping both sides equal whil

Key Concepts

An equation is a statement

An equation is a statement which states that the two expressions are equal. For example, 3x + 2 = x - 7 is an equation because both sides have the sam

A variable is the unknown quantity

A variable is the unknown quantity in an equation whose value is found by solving. Common variables are x, y, and z.

The solution is the value

The solution is the value of the variable that satisfies the equation. For example, x + 2 = 6 has solution x = 4.

An equation remains unchanged if

An equation remains unchanged if the same number is added to each side, subtracted from each side, multiplied on each side, or if each side is divided

In transposition

In transposition, a term moves from one side of the equation to the other and its sign or operation changes. A positive term becomes negative, a negat

Learning Objectives

  • Understand what an equation is and what a variable means
  • Find the solution or root of a simple equation
  • Use addition, subtraction, multiplication, and division to keep an equation unchanged
  • Solve equations by transposing terms from one side to the other
  • Solve equations with the variable on both sides

Frequently Asked Questions

What are the important topics in Simple Linear Equations for ICSE Class 7 Mathematics?
Key topics in Simple Linear Equations include Equation, Variable, and Solution, Operations That Keep an Equation Unchanged, Solving Equations by the Short-Cut Method, Contextual Problems and Two-Step Equations. Study these first, then practise questions on each for Class 7 exams.
How should I revise Simple Linear Equations for Class 7 exams?
Learn the core ideas first, then work through the 47 practice questions on Simple Linear Equations. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Simple Linear Equations

All ICSE Class 7 Mathematics Chapter Summary

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