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k in (-oo:+oo)
5 = (3/4)*(3*k+2)-2*k // - (3/4)*(3*k+2)-2*k
5-((3/4)*(3*k+2))-(-2*k) = 0
(-3/4)*(3*k+2)+2*k+5 = 0
2*k-3/4*(3*k+2)+5 = 0
2*k-3/4*(3*k+2)+5 = 0
5-1/4*k-3/2 = 0
7/2-1/4*k = 0
7/2-1/4*k = 0
7/2-1/4*k = 0 // - 7/2
-1/4*k = -7/2 // : -1/4
k = -7/2/(-1/4)
k = 14
k = 14
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