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प्रश्न
Solve the following equations.
3 (n − 5) = 21
योग
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उत्तर
3 (n − 5) = 21
Dividing both sides by 3,
`n - 5 = 21/3 = 7`
n = 7 + 5 = 12 (Transposing −5 to R.H.S.)
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