Subtract : 3a − 5b + C + 2d from 7a − 3b + C − 2d

Subtract : 3a − 5b + c + 2d from 7a − 3b + c − 2d

Sum

7a − 3b + c − 2d
3a − 5b + c + 2d
− + − −
4a + 2b − 4d

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Combining like Terms

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Chapter 11: Algebraic Expressions - Exercise 11 (B) [Page 140]

Chapter 11 Algebraic Expressions
Exercise 11 (B) | Q 4.3 | Page 140

Add : 8x − 3y + 7z, −4x + 5y − 4z, −x − y − 2z

Find the total savings of a boy who saves ₹ (4x – 6y), ₹ (6x + 2y), ₹ (4y – x) and ₹ (y – 2x) for four consecutive weeks.

Subtract : cab − 4cad − cbd from 3abc + 5bcd − cda

Take m² + m + 4 from −m² + 3m + 6 and the result from m² + m + 1.

Subtract the sum of 5y² + y – 3 and y² – 3y + 7 from 6y² + y – 2.

How much more than 2x² + 4xy + 2y² is 5x² + 10xy – y² ?

The sides of a triangle are x² – 3xy + 8, 4x² + 5xy – 3 and 6 – 3x² + 4xy. Find its perimeter.

The perimeter of a triangle is 8y² – 9y + 4 and its two sides are 3y² – 5y and 4y² + 12. Find its third side.

The two adjacent sides of a rectangle are 2x² – 5xy + 3z² and 4xy – x² – z². Find its perimeter.

How much smaller is 15x – 18y + 19z than 22x – 20y – 13z + 26 ?