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(3*m-(5*n))/6-((3*m-(7*n))/2) = 0
(3*m-5*n)/6-((3*m-7*n)/2) = 0
(3*m-5*n)/6+(-1*(3*m-7*n))/2 = 0
(2*(3*m-5*n))/(2*6)+(-1*6*(3*m-7*n))/(2*6) = 0
2*(3*m-5*n)-1*6*(3*m-7*n) = 0
32*n-12*m = 0
(32*n-12*m)/(2*6) = 0
(32*n-12*m)/(2*6) = 0 // * 2*6
32*n-12*m = 0
x belongs to the empty set
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