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(12*x)/5+2/7 = (2*x)/3-(4*x)+3/5 // - (2*x)/3-(4*x)+3/5
(12*x)/5-((2*x)/3)+4*x+2/7-(3/5) = 0
(12*x)/5+(-2/3)*x+4*x+2/7-3/5 = 0
86/15*x-11/35 = 0 // + 11/35
86/15*x = 11/35 // : 86/15
x = 11/35/86/15
x = 33/602
x = 33/602
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