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2*x-(3/7) = 5 // - 5
2*x-(3/7)-5 = 0
2*x-3/7-5 = 0
2*x-38/7 = 0 // + 38/7
2*x = 38/7 // : 2
x = 38/7/2
x = 19/7
x = 19/7
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