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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Solve: ("X" + 4)/2 + "X"/3 = 7 - Mathematics

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प्रश्न

Solve: `("x" + 4)/2 + "x"/3 = 7`

योग

उत्तर

`("x" + 4)/2 + "x"/3 = 7`


⇒ `(3"x" +12"x" + "2x")/6 = 7`

⇒ 3x + 12 + 2x = 7 × 6

⇒ 3x + 12 + 2x = 42

⇒ 5x = 42 - 12 = 30

⇒ x = `30/5 = 6`

∴ x = 6

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Simple Linear Equations in One Variable
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 12: Simple Linear Equations (Including Word Problems) - Exercise 12 (C)

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सेलिना Concise Mathematics [English] Class 7 ICSE
अध्याय 12 Simple Linear Equations (Including Word Problems)
Exercise 12 (C) | Q 17

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