-2/5*n=-30

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Solution for -2/5*n=-30 equation: 


n in (-oo:+oo)

(-2/5)*n = -30 // + 30

(-2/5)*n+30 = 0

30-2/5*n = 0 // - 30

-2/5*n = -30 // : -2/5

n = -30/(-2/5)

n = 75

n = 75

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