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7*x+5/6 = 307/66 // - 307/66
7*x+5/6-(307/66) = 0
7*x+5/6-307/66 = 0
7*x-42/11 = 0 // + 42/11
7*x = 42/11 // : 7
x = 42/11/7
x = 6/11
x = 6/11
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