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

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

Evaluate :

7x − 9y + 3 − 3x − 5y + 8

Add : a − 3b + 3; 2a + 5 − 3c; 6c − 15 + 6b

Add : 13ab − 9cd − xy, 5xy, 15cd − 7ab, 6xy − 3cd

Subtract : −2x²y + 3xy²from 8x²y

Subtract : x³ − 4x − 1 from 3x³ − x² + 6

Subtract : a²+ ab + b² from 4a² − 3ab + 2b²

Take away – 3x³ + 4x² – 5x+ 6 from 3x³ – 4x² + 5x – 6

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.

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