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Solve the Following Equation: 9y -7 = 20 - Mathematics

Solve the following equation:

9y -7 = 20

Sum

9y -7 = 20

⇒ 9y = 20 + 7 = 27

⇒ y = `27/9 = 3`

∴ y = 3

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Chapter 12: Simple Linear Equations (Including Word Problems) - Exercise 12 (A)

Chapter 12 Simple Linear Equations (Including Word Problems)
Exercise 12 (A) | Q 30

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