56/4=42/n

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Solution for 56/4=42/n equation: 


D( n )

n = 0

n = 0

n = 0

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

56/4 = 42/n // - 42/n

56/4-(42/n) = 0

56/4-42*n^-1 = 0

-42*n^-1 = -14 // : -42

n^-1 = 1/3

-1 < 0

1/(n^1) = 1/3 // * n^1

1 = 1/3*n^1 // : 1/3

3 = n^1

n = 3

n = 3

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