# Algebraic Expressions - NCERT Class 7 Maths

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The chapter 12 begins with an introduction to Algebraic Expressions by citing some examples of algebraic expressions in one variable. Then the concept of how expressions are formed and terms of an expression are explained.Under this, the factors of a term and coefficients are discussed in detail. Then we have the discussion of like and unlike terms.Monomials, Binomials, Trinomials and Polynomials are described in the next section.Addition and subtraction of algebraic expressions is explained in the following section. Then, we have the procedure to finding the value of an expression. The last topic of the chapter is formulas and rules in mathematics written in a concise and general form using algebraic expressions.

## Exercise 12.1

## Exercise 12.2

## Exercise 12.3

## Exercise 12.4

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Algebraic Expressions | NCERT Solutions