(7n/3n+3)-(5/4n-4)=3n

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Solution for (7n/3n+3)-(5/4n-4)=3n equation: 


n in (-oo:+oo)

((7*n)/3)*n-((5/4)*n)+3+4 = 3*n // - 3*n

((7*n)/3)*n-((5/4)*n)-(3*n)+3+4 = 0

((7*n)/3)*n+(-5/4)*n-3*n+3+4 = 0

7/3*n^2-17/4*n+7 = 0

DELTA = (-17/4)^2-(7/3*4*7)

DELTA = -2269/48

DELTA < 0

n belongs to the empty set

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