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19x + 13 -12x + 3 = 23 - Mathematics

19x + 13 -12x + 3 = 23

Sum

19x + 13 -12x + 3 = 23

⇒ 19x - 12x = 23 - 13 - 3

⇒ 7x = 23 - 16 = 7

⇒ x = `7/7 = 1`

∴ x = 1

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

Chapter 12 Simple Linear Equations (Including Word Problems)
Exercise 12 (B) | Q 9

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