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x-(5/6) = 289/42-((2/7)*x) // - 289/42-((2/7)*x)
x+(2/7)*x-(5/6)-(289/42) = 0
x+(2/7)*x-5/6-289/42 = 0
9/7*x-54/7 = 0 // + 54/7
9/7*x = 54/7 // : 9/7
x = 54/7/9/7
x = 6
x = 6
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