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Solve: "3x"/4 + "4x" = 38 - Mathematics

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Question

Solve: `"3x"/4 + "4x" = 38`

Sum
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Solution

`"3x"/4 + "4x" = 38`

⇒ `"3x"/4 + "4x"/1 = 38`

⇒ `("3x + 16x")/4 = 38`

⇒  3x + 16x = 38 × 4

∴ 3x + 16x = 152

⇒ 19x = 152

⇒ x = `152/19 = 8`

∴ x = 8 

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

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 12 Simple Linear Equations (Including Word Problems)
Exercise 12 (C) | Q 3
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