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(3/5)*x+4/9 = 47/45 // - 47/45
(3/5)*x+4/9-(47/45) = 0
(3/5)*x+4/9-47/45 = 0
3/5*x-3/5 = 0 // + 3/5
3/5*x = 3/5 // : 3/5
x = 3/5/3/5
x = 1
x = 1
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