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Simplify: 3x + 5(2x + 6) - 7x - Mathematics

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Question

Simplify: 3x + 5(2x + 6) - 7x

Sum

Solution

3x + 5(2x + 6) - 7x

⇒ 3x + 10x + 30 - 7x

⇒ 3x + 10x - 7x + 30

⇒ 13x - 7x + 30

⇒ 6x + 30

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Performs Operations (Addition and Subtraction) on Algebraic Expressions with Integral Coefficients Only.
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Chapter 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (B)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (B) | Q 22.01
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