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Subtract: A (B - 5) From B (5 - A) - Mathematics

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Subtract: a (b - 5) from b (5 - a)

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Solution

b (5 - a) - a (b - 5) = 5b - ab - ab + 5a

= 5a + 5b - 2ab

Concept: Addition of Algebraic Expressions
  Is there an error in this question or solution?
Chapter 12: Algebraic Expressions - Exercise 12.2 [Page 240]
Q 3.4

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NCERT Class 7 Maths
Chapter 12 Algebraic Expressions
Exercise 12.2 | Q 3.4 | Page 240

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