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x+4*x-(3/5)+119/15 = 8/3 // - 8/3
x+4*x-(3/5)+119/15-(8/3) = 0
x+4*x-3/5+119/15-8/3 = 0
5*x+14/3 = 0 // - 14/3
5*x = -14/3 // : 5
x = -14/3/5
x = -14/15
x = -14/15
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