Solve the Following Equation: 3"A" - 1/5 = "A"/5 + 5 2/5 - Mathematics

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Sum

Solve the following equation:

`3"a" - 1/5 = "a"/5 + 5 2/5`

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Solution

⇒ `"3a" - "a"/5 = 5 2/5 + 1/5`

⇒ `"3a" - "a"/5 = 27/5 + 1/5`

⇒ `"3a" xx 5 - "a"/5 xx 5 = 27/5 xx 5 + 1/5 xx 5`
.....(Multiplying each term by 5)

⇒ 15a - a = 27 + 1

⇒ 14a = 28

⇒ a = `28/14`

⇒ a = 2 

Concept: Simple Linear Equations in One Variable
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Chapter 14: Linear Equations in one Variable - Exercise 14 (A) [Page 165]

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Selina Concise Mathematics Class 8 ICSE
Chapter 14 Linear Equations in one Variable
Exercise 14 (A) | Q 11 | Page 165

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