मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Solve: 0.6a +0.2a = 0.4 a + 8 - Mathematics

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प्रश्न

Solve: 0.6a +0.2a = 0.4 a + 8

बेरीज
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उत्तर

0.6a +0.2a = 0.4 a + 8


⇒ `6/10"a" + 2/10"a" = 4/10"a" + 8/1`


⇒`("6a + 2a")/10 = "4a + 80"`

⇒ 6a + 2a = 4a + 80


⇒ 6a + 2a - 4a = 80

⇒ 4a = 80

⇒ a = `80/4 = 20`

∴ a = 20

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

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