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X – 0 = ______; when 3x = 12.

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Question

x – 0 = ______; when 3x = 12.

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Solution

x – 0 = 4; when 3x = 12.

Explanation:

Given that, 3x = 12

⇒ `(3x)/3 = 12/3`  ...[Dividing both sides by 3]

⇒ x = 4

∴ x – 0 = 4 – 0 = 4

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Chapter 4: Simple Equations - Exercise [Page 109]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 4 Simple Equations
Exercise | Q 35. | Page 109

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