3/(75+81+n)=80

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Solution for 3/(75+81+n)=80 equation: 


D( n )

n+75+81 = 0

n+75+81 = 0

n+75+81 = 0

n+156 = 0 // - 156

n = -156

n in (-oo:-156) U (-156:+oo)

3/(n+75+81) = 80 // - 80

3/(n+75+81)-80 = 0

3/(n+156)-80 = 0

3/(n+156)+(-80*(n+156))/(n+156) = 0

3-80*(n+156) = 0

-80*n-12477 = 0

(-80*n-12477)/(n+156) = 0

(-80*n-12477)/(n+156) = 0 // * n+156

-80*n-12477 = 0

-80*n-12477 = 0 // + 12477

-80*n = 12477 // : -80

n = 12477/(-80)

n = -12477/80

n = -12477/80

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