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x in (-oo:+oo)
(x-8)/6 = (x+10)/4 // - (x+10)/4
(x-8)/6-((x+10)/4) = 0
(x-8)/6+(-1*(x+10))/4 = 0
(4*(x-8))/(4*6)+(-1*6*(x+10))/(4*6) = 0
4*(x-8)-1*6*(x+10) = 0
-2*x-92 = 0
(-2*x-92)/(4*6) = 0
(-2*x-92)/(4*6) = 0 // * 4*6
-2*x-92 = 0
-2*x-92 = 0 // + 92
-2*x = 92 // : -2
x = 92/(-2)
x = -46
x = -46
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