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Solve the following: 0.4(3x – 1) = 0.5x + 1 - Mathematics

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Question

Solve the following:

0.4(3x – 1) = 0.5x + 1

Sum

Solution

Given, 0.4(3x – 1) = 0.5x + 1

⇒ 1.2x – 0.4 = 0.5x + 1

⇒ 1.2x – 0.5x = 1 + 0.4  ...[Transposing 0.5x to LHS and – 0.4 to RHS]

⇒ 0.7x = 1.4

⇒ `(0.7x)/0.7 = 1.4/0.7`   ...[Dividing both sides by 0.7]

∴ x = 2

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Chapter 4: Linear Equation In One Variable - Exercise [Page 116]

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NCERT Exemplar Mathematics [English] Class 8
Chapter 4 Linear Equation In One Variable
Exercise | Q 57. | Page 116

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