21=7/9(n-10)

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Solution for 21=7/9(n-10) equation: 


n in (-oo:+oo)

21 = (7/9)*(n-10) // - (7/9)*(n-10)

21-((7/9)*(n-10)) = 0

(-7/9)*(n-10)+21 = 0

21-7/9*(n-10) = 0

21-7/9*(n-10) = 0

259/9-7/9*n = 0

259/9-7/9*n = 0

259/9-7/9*n = 0 // - 259/9

-7/9*n = -259/9 // : -7/9

n = -259/9/(-7/9)

n = 37

n = 37

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