(7/n)-0.7=0.3

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Solution for (7/n)-0.7=0.3 equation: 


D( n )

n = 0

n = 0

n = 0

n in (-oo:0) U (0:+oo)

7/n-0.7 = 0.3 // - 0.3

7/n-0.7-0.3 = 0

7*n^-1 = 1 // : 7

n^-1 = 1/7

-1 < 0

1/(n^1) = 1/7 // * n^1

1 = 1/7*n^1 // : 1/7

7 = n^1

n = 7

n = 7

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