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(2*x)/5-1 = x/3+1/15 // - x/3+1/15
(2*x)/5-(x/3)-(1/15)-1 = 0
(2*x)/5-(x/3)-1/15-1 = 0
1/15*x-16/15 = 0 // + 16/15
1/15*x = 16/15 // : 1/15
x = 16/15/1/15
x = 16
x = 16
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