21/2=-3/2n-3/2n

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Solution for 21/2=-3/2n-3/2n equation: 


n in (-oo:+oo)

21/2 = (-3/2)*n-((3/2)*n) // - (-3/2)*n-((3/2)*n)

(3/2)*n-((-3/2)*n)+21/2 = 0

(3/2)*n+(3/2)*n+21/2 = 0

3*n+21/2 = 0 // - 21/2

3*n = -21/2 // : 3

n = -21/2/3

n = -7/2

n = -7/2

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