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If a = − 10, Evaluate: 3a – 2 - Mathematics

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Question

If a = − 10, evaluate:

3a – 2

Sum

Solution

3a – 2

= (3 × a) − 2

= 3 × (− 10) − 2

= − 30 − 2

= − 32

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Chapter 21: Framing Algebraic Expressions (Including Evaluation) - Exercise 21

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Selina Mathematics [English] Class 6
Chapter 21 Framing Algebraic Expressions (Including Evaluation)
Exercise 21 | Q 19.1
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