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38/35 = 7*x-(6*x)+4/5 // - 7*x-(6*x)+4/5
6*x-(7*x)+38/35-(4/5) = 0
6*x-7*x+38/35-4/5 = 0
2/7-x = 0 // - 2/7
-x = -2/7 // * -1
x = 2/7
x = 2/7
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