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Solve the following: 3t+54-1=4t-35 - Mathematics

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Question

Solve the following:

`(3t + 5)/4 - 1 = (4t - 3)/5`

Sum

Solution

Given, `(3t + 5)/4 - 1 = (4t - 3)/5`

⇒ `(3t + 5 - 4)/4 = (4t - 3)/5`

⇒ 5(3t + 5 – 4) = 4(4t – 3)  ...[By cross-multiplication]

⇒ 5(3t + 1) = 4(4t – 3)

⇒ 15t + 5 = 16t – 12

⇒ 15t – 16t = – 12 – 5  ...[Transposing 16t to LHS and 5 to RHS]

⇒ – t = – 17

⇒ `(-t)/(-1) = (-17)/(-1)`  ...[Dividing both sides by –1]

∴ t = 17

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Chapter 4: Linear Equation In One Variable - Exercise [Page 117]

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NCERT Exemplar Mathematics [English] Class 8
Chapter 4 Linear Equation In One Variable
Exercise | Q 68. | Page 117

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