Math, asked by subashmazumdersubash, 7 months ago

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fallows
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B. write equations four
a) 3n-9 =18​

Answers

Answered by rudhra73
3

3n - 9 = 18 \\ 3n = 18 + 9 \\ 3n = 27 \\ n =  \frac{27}{3}  \\  n = 9

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