Evaluate : 7x − 9y + 3 − 3x − 5y + 8 - Mathematics

Evaluate :

7x − 9y + 3 − 3x − 5y + 8

Sum

7x − 9y + 3 − 3x − 5y + 8

= 7x − 3x − 9y − 5y + 3 + 8

= 4x − 14y + 11

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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 1.4 | Page 140

Evaluate :

abx − 15abx − 10abx + 32abx

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How much bigger is 5x²y² – 18xy² – 10x²y than –5x² + 6x²y – 7xy?