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Chapter 2 Linear Equations in One Variable Ex 2.1 Solutions

Question - 11 : - Solve the equation 14y – 8 = 13.

Answer - 11 : -

We have 14y – 8 = 13
⇒ 14y – 8 + 8 = 13 + 8 (adding 8 to both sides)
⇒ 14y = 21
⇒ 14y ÷ 14 = 21 ÷ 14 (dividing both sides by 14)
⇒ y = 2114
⇒ y = 32
Thus, y = 32 is the required solution.

Question - 12 : - Solve the equation 2x/3 = 18.

Answer - 12 : -

We have 2x/3 = 18
⇒ 2x/3 × 3 = 18 × 3 (multiplying both sides by 3)
⇒ 2x = 54
⇒ 2x ÷ 2 = 54 ÷ 2 (dividing both sides by 2)
⇒ x = 27
Thus, x = 27 is the required solution.

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