CBSE NCERT Class 7 Maths Chapter 12 Exercise 12.2 Solutions

Subtract: (i) -5y2 from y2 (ii) 6xy from -12xy (iii) (a – b) from (a + b) (iv) a(b – 5) from b(5 – a) (v) -m2 + 5mn from 4m2 – 3mn + 8 (vi) -x2 + 10x – 5 from 5x – 10 (vii) 5a2 – 7ab + 5b2 from 3ab – 2a2 – 2b2 (viii) 4pq – 5q2 – 3p2 from 5p2 + 3q2 – pq

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NCERT Solutions Class 7 Maths Chapter 12 Exercise 12.2 Algebraic Expressions

The NCERT Solutions for Class 7 maths Chapter 12 exercise 12.2 Algebraic Expressions explains the addition and subtraction of the algebraic expressions to make them simple. It teaches how the like terms in an expression can be added or subtracted. The exercise questions revolve around the above-mentioned concept.

There are 6 questions related to the addition and subtraction of expressions. The NCERT solutions Class 7 maths Chapter 12 exercise 12.2 consists of 7 short answer questions.

The students must remember that since the variables are numbers, the distributive law can be applied to them. Also, the signs of an algebraic expression are handled in the same way as we use the signs of individual numbers.

The solutions for Class 7 maths exercise 12.2 Algebraic Expressions are given below. The Class 7 Maths Chapter 12 Exercise 12.2 solutions are explained along with the rules and techniques that are used.

☛ Download NCERT Solutions Class 7 Maths Chapter 12 Exercise 12.2

Exercise 12.2 Class 7 Chapter 12

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More Exercises in Class 7 Maths Chapter 12

NCERT Solutions Class 7 Maths Chapter 12 Exercise 12.2 Tips

The exercise questions in this section of the NCERT solutions Class 7 maths Chapter 12 exercise 12.2 Algebraic Expressions are related to the simplification process. The students must ensure that they are careful while observing any expressions in order to figure out the like terms, as a combination of like terms with arithmetic operators results in simplification.

For this, they should try covering as many examples as possible, which will let them test their observational skills. The NCERT solutions Class 7 maths Chapter 12 exercise 12.2 will help in figuring out the strategies that are used to find out the sum and difference involving two or more algebraic expressions.

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NCERT Solutions for Class 7 Maths Video Chapter 12 Exercise 12.2

NCERT Class 7 maths Videos Chapter 12 Exercise 12.2
Chapter 12 Exercise 12.2 Question 1	Chapter 12 Exercise 12.2 Question 4
Chapter 12 Exercise 12.2 Question 2	Chapter 12 Exercise 12.2 Question 5
Chapter 12 Exercise 12.2 Question 3	Chapter 12 Exercise 12.2 Question 6

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