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x+(3/5)*x+3/4 = 109/60 // - 109/60
x+(3/5)*x+3/4-(109/60) = 0
x+(3/5)*x+3/4-109/60 = 0
8/5*x-16/15 = 0 // + 16/15
8/5*x = 16/15 // : 8/5
x = 16/15/8/5
x = 2/3
x = 2/3
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