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From the Sum of X + Y – 2z and 2x – Y + Z Subtract X + Y + Z. - Mathematics

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Question

From the sum of x + y – 2z and 2x – y + z subtract x + y + z.

Sum

Solution

(x + y − 2z) + (2x − y + z) − (x + y + z)

= x + y − 2z + 2x − y + z − x − y − z

= x + 2x − x + y − y − y − 2z − z + z

= 2x − y − 2z

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Algebra Terminology - Literal Numbers, Terms, Expressions, Factor, Coefficient, Polynomials, Degree, like and Unlike Terms
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Chapter 19: Fundamental Operations (Related to Algebraic Expressions) - Exercise 19 (B)

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Selina Mathematics [English] Class 6
Chapter 19 Fundamental Operations (Related to Algebraic Expressions)
Exercise 19 (B) | Q 6
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