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k in (-oo:+oo)
2*(3/4-((1/5)*k))+3 = 5-((1/3)*k) // - 5-((1/3)*k)
2*(3/4-((1/5)*k))+(1/3)*k-5+3 = 0
2*((-1/5)*k+3/4)+(1/3)*k-5+3 = 0
2*(3/4-1/5*k)+k/3-5+3 = 0
(2*3*(3/4-1/5*k))/3+k/3+(-5*3)/3+(3^2)/3 = 0
2*3*(3/4-1/5*k)+k-5*3+9 = 0
9/2-1/5*k-15+9 = 0
9-1/5*k-21/2 = 0
-1/5*k-3/2 = 0
(-1/5*k-3/2)/3 = 0
(-1/5*k-3/2)/3 = 0 // * 3
-1/5*k-3/2 = 0
-1/5*k-3/2 = 0 // + 3/2
-1/5*k = 3/2 // : -1/5
k = 3/2/(-1/5)
k = -15/2
k = -15/2
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