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n in (-oo:+oo)
5*(n+2) = (3/2)*(10*n+5) // - (3/2)*(10*n+5)
5*(n+2)-((3/2)*(10*n+5)) = 0
5*(n+2)+(-3/2)*(10*n+5) = 0
5*(n+2)-3/2*(10*n+5) = 0
5*(n+2)-3/2*(10*n+5) = 0
5/2-10*n = 0
5/2-10*n = 0
5/2-10*n = 0 // - 5/2
-10*n = -5/2 // : -10
n = -5/2/(-10)
n = 1/4
n = 1/4
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