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-((5*(3-4*x))/2)-x/4 = 0
(-5/2)*(3-4*x)-x/4 = 0
-5/2*(3-4*x)-x/4 = 0
(-5/2*4*(3-4*x))/4-x/4 = 0
-5/2*4*(3-4*x)-x = 0
39*x-30 = 0
(39*x-30)/4 = 0
(39*x-30)/4 = 0 // * 4
39*x-30 = 0
39*x-30 = 0 // + 30
39*x = 30 // : 39
x = 30/39
x = 10/13
x = 10/13
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