Add : 8x − 3y + 7z, −4x + 5y − 4z, −X − Y − 2z - Mathematics

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Sum

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

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Solution

   8x − 3y + 7z
−4x + 5y − 4z
  −x  −  y − 2z  
   3x  +  y +  z  

Concept: Combining like Terms
  Is there an error in this question or solution?
Chapter 11: Algebraic Expressions - Exercise 11 (B) [Page 140]

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Selina Concise Mathematics Class 8 ICSE
Chapter 11 Algebraic Expressions
Exercise 11 (B) | Q 2.2 | Page 140
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