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(19/3)*x+2/5 = (13/3)*x // - (13/3)*x
(19/3)*x-((13/3)*x)+2/5 = 0
(19/3)*x+(-13/3)*x+2/5 = 0
2*x+2/5 = 0 // - 2/5
2*x = -2/5 // : 2
x = -2/5/2
x = -1/5
x = -1/5
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