हिंदी

If 1 is subtracted from a number and the difference is multiplied by 12, the result is 7.

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प्रश्न

If 1 is subtracted from a number and the difference is multiplied by `1/2`, the result is 7.

योग
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उत्तर

Let the number be x

Then, 1 is subtracted from a number and the difference is multiplied by `1/2` i.e. `1/2(x - 1)`

It gives result 7

So, the equation formed is `1/2(x - 1) = 7`.

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अध्याय 4: Simple Equations - Exercise [पृष्ठ ११२]

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एनसीईआरटी एक्झांप्लर Mathematics Exemplar Class 7
अध्याय 4 Simple Equations
Exercise | Q 65. | पृष्ठ ११२

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